20171109940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:470

約数の個数: 192

約数和(自身を含む): 46903836672

約数和(自身を除く): 26732726732

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 53, 71, 86, 92, 106, 115, 142, 172, 212, 215, 230, 265, 271, 284, 355, 430, 460, 530, 542, 710, 860, 989, 1060, 1084, 1219, 1355, 1420, 1633, 1978, 2279, 2438, 2710, 3053, 3266, 3763, 3956, 4558, 4876, 4945, 5420, 6095, 6106, 6233, 6532, 7526, 8165, 9116, 9890, 11395, 11653, 12190, 12212, 12466, 14363, 15052, 15265, 16330, 18815, 19241, 19780, 22790, 23306, 24380, 24932, 28726, 30530, 31165, 32660, 37630, 38482, 45580, 46612, 52417, 57452, 58265, 61060, 62330, 70219, 71815, 75260, 76964, 86549, 96205, 104834, 116530, 124660, 140438, 143630, 161809, 173098, 192410, 209668, 233060, 262085, 268019, 280876, 287260, 323618, 330349, 346196, 351095, 384820, 432745, 442543, 524170, 536038, 617609, 647236, 660698, 702190, 809045, 827363, 865490, 885086, 1019773, 1048340, 1072076, 1235218, 1321396, 1340095, 1404380, 1618090, 1651745, 1654726, 1730980, 1770172, 2039546, 2212715, 2470436, 2680190, 3088045, 3236180, 3303490, 3309452, 3721607, 4079092, 4136815, 4425430, 5098865, 5360380, 6176090, 6606980, 7443214, 8273630, 8850860, 10197730, 12352180, 14205007, 14886428, 16547260, 18608035, 19029349, 20395460, 23454779, 28410014, 37216070, 38058698, 43850239, 46909558, 56820028, 71025035, 74432140, 76117396, 87700478, 93819116, 95146745, 117273895, 142050070, 175400956, 190293490, 219251195, 234547790, 284100140, 380586980, 438502390, 469095580, 877004780, 1008555497, 2017110994, 4034221988, 5042777485, 10085554970, 20171109940]

約数ペア:

[(1, 20171109940), (2, 10085554970), (4, 5042777485), (5, 4034221988), (10, 2017110994), (20, 1008555497), (23, 877004780), (43, 469095580), (46, 438502390), (53, 380586980), (71, 284100140), (86, 234547790), (92, 219251195), (106, 190293490), (115, 175400956), (142, 142050070), (172, 117273895), (212, 95146745), (215, 93819116), (230, 87700478), (265, 76117396), (271, 74432140), (284, 71025035), (355, 56820028), (430, 46909558), (460, 43850239), (530, 38058698), (542, 37216070), (710, 28410014), (860, 23454779), (989, 20395460), (1060, 19029349), (1084, 18608035), (1219, 16547260), (1355, 14886428), (1420, 14205007), (1633, 12352180), (1978, 10197730), (2279, 8850860), (2438, 8273630), (2710, 7443214), (3053, 6606980), (3266, 6176090), (3763, 5360380), (3956, 5098865), (4558, 4425430), (4876, 4136815), (4945, 4079092), (5420, 3721607), (6095, 3309452), (6106, 3303490), (6233, 3236180), (6532, 3088045), (7526, 2680190), (8165, 2470436), (9116, 2212715), (9890, 2039546), (11395, 1770172), (11653, 1730980), (12190, 1654726), (12212, 1651745), (12466, 1618090), (14363, 1404380), (15052, 1340095), (15265, 1321396), (16330, 1235218), (18815, 1072076), (19241, 1048340), (19780, 1019773), (22790, 885086), (23306, 865490), (24380, 827363), (24932, 809045), (28726, 702190), (30530, 660698), (31165, 647236), (32660, 617609), (37630, 536038), (38482, 524170), (45580, 442543), (46612, 432745), (52417, 384820), (57452, 351095), (58265, 346196), (61060, 330349), (62330, 323618), (70219, 287260), (71815, 280876), (75260, 268019), (76964, 262085), (86549, 233060), (96205, 209668), (104834, 192410), (116530, 173098), (124660, 161809), (140438, 143630)]