20187948880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{4733}}^1$

素因数の和:4925

約数の個数: 160

約数和(自身を含む): 53000500608

約数和(自身を除く): 32812551728

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 37, 40, 44, 55, 74, 80, 88, 110, 131, 148, 176, 185, 220, 262, 296, 370, 407, 440, 524, 592, 655, 740, 814, 880, 1048, 1310, 1441, 1480, 1628, 2035, 2096, 2620, 2882, 2960, 3256, 4070, 4733, 4847, 5240, 5764, 6512, 7205, 8140, 9466, 9694, 10480, 11528, 14410, 16280, 18932, 19388, 23056, 23665, 24235, 28820, 32560, 37864, 38776, 47330, 48470, 52063, 53317, 57640, 75728, 77552, 94660, 96940, 104126, 106634, 115280, 175121, 189320, 193880, 208252, 213268, 260315, 266585, 350242, 378640, 387760, 416504, 426536, 520630, 533170, 620023, 700484, 833008, 853072, 875605, 1041260, 1066340, 1240046, 1400968, 1751210, 1926331, 2082520, 2132680, 2480092, 2801936, 3100115, 3502420, 3852662, 4165040, 4265360, 4960184, 6200230, 6820253, 7004840, 7705324, 9631655, 9920368, 12400460, 13640506, 14009680, 15410648, 19263310, 22940851, 24800920, 27281012, 30821296, 34101265, 38526620, 45881702, 49601840, 54562024, 68202530, 77053240, 91763404, 109124048, 114704255, 136405060, 154106480, 183526808, 229408510, 252349361, 272810120, 367053616, 458817020, 504698722, 545620240, 917634040, 1009397444, 1261746805, 1835268080, 2018794888, 2523493610, 4037589776, 5046987220, 10093974440, 20187948880]

約数ペア:

[(1, 20187948880), (2, 10093974440), (4, 5046987220), (5, 4037589776), (8, 2523493610), (10, 2018794888), (11, 1835268080), (16, 1261746805), (20, 1009397444), (22, 917634040), (37, 545620240), (40, 504698722), (44, 458817020), (55, 367053616), (74, 272810120), (80, 252349361), (88, 229408510), (110, 183526808), (131, 154106480), (148, 136405060), (176, 114704255), (185, 109124048), (220, 91763404), (262, 77053240), (296, 68202530), (370, 54562024), (407, 49601840), (440, 45881702), (524, 38526620), (592, 34101265), (655, 30821296), (740, 27281012), (814, 24800920), (880, 22940851), (1048, 19263310), (1310, 15410648), (1441, 14009680), (1480, 13640506), (1628, 12400460), (2035, 9920368), (2096, 9631655), (2620, 7705324), (2882, 7004840), (2960, 6820253), (3256, 6200230), (4070, 4960184), (4733, 4265360), (4847, 4165040), (5240, 3852662), (5764, 3502420), (6512, 3100115), (7205, 2801936), (8140, 2480092), (9466, 2132680), (9694, 2082520), (10480, 1926331), (11528, 1751210), (14410, 1400968), (16280, 1240046), (18932, 1066340), (19388, 1041260), (23056, 875605), (23665, 853072), (24235, 833008), (28820, 700484), (32560, 620023), (37864, 533170), (38776, 520630), (47330, 426536), (48470, 416504), (52063, 387760), (53317, 378640), (57640, 350242), (75728, 266585), (77552, 260315), (94660, 213268), (96940, 208252), (104126, 193880), (106634, 189320), (115280, 175121)]