20848653810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{521}}^1$

素因数の和:829

約数の個数: 192

約数和(自身を含む): 56980576224

約数和(自身を除く): 36131922414

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 37, 45, 61, 74, 90, 111, 122, 183, 185, 197, 222, 305, 333, 366, 370, 394, 521, 549, 555, 591, 610, 666, 915, 985, 1042, 1098, 1110, 1182, 1563, 1665, 1773, 1830, 1970, 2257, 2605, 2745, 2955, 3126, 3330, 3546, 4514, 4689, 5210, 5490, 5910, 6771, 7289, 7815, 8865, 9378, 11285, 12017, 13542, 14578, 15630, 17730, 19277, 20313, 21867, 22570, 23445, 24034, 31781, 33855, 36051, 36445, 38554, 40626, 43734, 46890, 57831, 60085, 63562, 65601, 67710, 72102, 72890, 95343, 96385, 101565, 102637, 108153, 109335, 115662, 120170, 131202, 158905, 173493, 180255, 190686, 192770, 203130, 205274, 216306, 218670, 286029, 289155, 307911, 317810, 328005, 346986, 360510, 444629, 476715, 513185, 540765, 572058, 578310, 615822, 656010, 867465, 889258, 923733, 953430, 1026370, 1081530, 1175897, 1333887, 1430145, 1539555, 1734930, 1847466, 2223145, 2351794, 2667774, 2860290, 3079110, 3527691, 3797569, 4001661, 4446290, 4618665, 5879485, 6260857, 6669435, 7055382, 7595138, 8003322, 9237330, 10583073, 11392707, 11758970, 12521714, 13338870, 17638455, 18782571, 18987845, 20008305, 21166146, 22785414, 31304285, 34178121, 35276910, 37565142, 37975690, 40016610, 52915365, 56347713, 56963535, 62608570, 68356242, 93912855, 105830730, 112695426, 113927070, 170890605, 187825710, 231651709, 281738565, 341781210, 463303418, 563477130, 694955127, 1158258545, 1389910254, 2084865381, 2316517090, 3474775635, 4169730762, 6949551270, 10424326905, 20848653810]

約数ペア:

[(1, 20848653810), (2, 10424326905), (3, 6949551270), (5, 4169730762), (6, 3474775635), (9, 2316517090), (10, 2084865381), (15, 1389910254), (18, 1158258545), (30, 694955127), (37, 563477130), (45, 463303418), (61, 341781210), (74, 281738565), (90, 231651709), (111, 187825710), (122, 170890605), (183, 113927070), (185, 112695426), (197, 105830730), (222, 93912855), (305, 68356242), (333, 62608570), (366, 56963535), (370, 56347713), (394, 52915365), (521, 40016610), (549, 37975690), (555, 37565142), (591, 35276910), (610, 34178121), (666, 31304285), (915, 22785414), (985, 21166146), (1042, 20008305), (1098, 18987845), (1110, 18782571), (1182, 17638455), (1563, 13338870), (1665, 12521714), (1773, 11758970), (1830, 11392707), (1970, 10583073), (2257, 9237330), (2605, 8003322), (2745, 7595138), (2955, 7055382), (3126, 6669435), (3330, 6260857), (3546, 5879485), (4514, 4618665), (4689, 4446290), (5210, 4001661), (5490, 3797569), (5910, 3527691), (6771, 3079110), (7289, 2860290), (7815, 2667774), (8865, 2351794), (9378, 2223145), (11285, 1847466), (12017, 1734930), (13542, 1539555), (14578, 1430145), (15630, 1333887), (17730, 1175897), (19277, 1081530), (20313, 1026370), (21867, 953430), (22570, 923733), (23445, 889258), (24034, 867465), (31781, 656010), (33855, 615822), (36051, 578310), (36445, 572058), (38554, 540765), (40626, 513185), (43734, 476715), (46890, 444629), (57831, 360510), (60085, 346986), (63562, 328005), (65601, 317810), (67710, 307911), (72102, 289155), (72890, 286029), (95343, 218670), (96385, 216306), (101565, 205274), (102637, 203130), (108153, 192770), (109335, 190686), (115662, 180255), (120170, 173493), (131202, 158905)]