20481084360

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{156727}}^1$

素因数の和:156769

約数の個数: 192

約数和(自身を含む): 75041366400

約数和(自身を除く): 54560282040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 88, 90, 99, 108, 110, 120, 121, 132, 135, 165, 180, 198, 216, 220, 242, 264, 270, 297, 330, 360, 363, 396, 440, 484, 495, 540, 594, 605, 660, 726, 792, 968, 990, 1080, 1089, 1188, 1210, 1320, 1452, 1485, 1815, 1980, 2178, 2376, 2420, 2904, 2970, 3267, 3630, 3960, 4356, 4840, 5445, 5940, 6534, 7260, 8712, 10890, 11880, 13068, 14520, 16335, 21780, 26136, 32670, 43560, 65340, 130680, 156727, 313454, 470181, 626908, 783635, 940362, 1253816, 1410543, 1567270, 1723997, 1880724, 2350905, 2821086, 3134540, 3447994, 3761448, 4231629, 4701810, 5171991, 5642172, 6269080, 6895988, 7052715, 8463258, 8619985, 9403620, 10343982, 11284344, 13791976, 14105430, 15515973, 16926516, 17239970, 18807240, 18963967, 20687964, 21158145, 25859955, 28210860, 31031946, 33853032, 34479940, 37927934, 41375928, 42316290, 46547919, 51719910, 56421720, 56891901, 62063892, 68959880, 75855868, 77579865, 84632580, 93095838, 94819835, 103439820, 113783802, 124127784, 151711736, 155159730, 169265160, 170675703, 186191676, 189639670, 206879640, 227567604, 232739595, 284459505, 310319460, 341351406, 372383352, 379279340, 455135208, 465479190, 512027109, 568919010, 620638920, 682702812, 758558680, 853378515, 930958380, 1024054218, 1137838020, 1365405624, 1706757030, 1861916760, 2048108436, 2275676040, 2560135545, 3413514060, 4096216872, 5120271090, 6827028120, 10240542180, 20481084360]

約数ペア:

[(1, 20481084360), (2, 10240542180), (3, 6827028120), (4, 5120271090), (5, 4096216872), (6, 3413514060), (8, 2560135545), (9, 2275676040), (10, 2048108436), (11, 1861916760), (12, 1706757030), (15, 1365405624), (18, 1137838020), (20, 1024054218), (22, 930958380), (24, 853378515), (27, 758558680), (30, 682702812), (33, 620638920), (36, 568919010), (40, 512027109), (44, 465479190), (45, 455135208), (54, 379279340), (55, 372383352), (60, 341351406), (66, 310319460), (72, 284459505), (88, 232739595), (90, 227567604), (99, 206879640), (108, 189639670), (110, 186191676), (120, 170675703), (121, 169265160), (132, 155159730), (135, 151711736), (165, 124127784), (180, 113783802), (198, 103439820), (216, 94819835), (220, 93095838), (242, 84632580), (264, 77579865), (270, 75855868), (297, 68959880), (330, 62063892), (360, 56891901), (363, 56421720), (396, 51719910), (440, 46547919), (484, 42316290), (495, 41375928), (540, 37927934), (594, 34479940), (605, 33853032), (660, 31031946), (726, 28210860), (792, 25859955), (968, 21158145), (990, 20687964), (1080, 18963967), (1089, 18807240), (1188, 17239970), (1210, 16926516), (1320, 15515973), (1452, 14105430), (1485, 13791976), (1815, 11284344), (1980, 10343982), (2178, 9403620), (2376, 8619985), (2420, 8463258), (2904, 7052715), (2970, 6895988), (3267, 6269080), (3630, 5642172), (3960, 5171991), (4356, 4701810), (4840, 4231629), (5445, 3761448), (5940, 3447994), (6534, 3134540), (7260, 2821086), (8712, 2350905), (10890, 1880724), (11880, 1723997), (13068, 1567270), (14520, 1410543), (16335, 1253816), (21780, 940362), (26136, 783635), (32670, 626908), (43560, 470181), (65340, 313454), (130680, 156727)]