20201057792

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{733}}^1\times {\mathrm{2833}}^1$

素因数の和:3603

約数の個数: 80

約数和(自身を含む): 42559991760

約数和(自身を除く): 22358933968

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 733, 1216, 1466, 2432, 2833, 2932, 4864, 5666, 5864, 9728, 11332, 11728, 13927, 22664, 23456, 27854, 45328, 46912, 53827, 55708, 90656, 93824, 107654, 111416, 181312, 187648, 215308, 222832, 362624, 375296, 430616, 445664, 725248, 861232, 891328, 1450496, 1722464, 1782656, 2076589, 3444928, 3565312, 4153178, 6889856, 7130624, 8306356, 13779712, 16612712, 27559424, 33225424, 39455191, 66450848, 78910382, 132901696, 157820764, 265803392, 315641528, 531606784, 631283056, 1063213568, 1262566112, 2525132224, 5050264448, 10100528896, 20201057792]

約数ペア:

[(1, 20201057792), (2, 10100528896), (4, 5050264448), (8, 2525132224), (16, 1262566112), (19, 1063213568), (32, 631283056), (38, 531606784), (64, 315641528), (76, 265803392), (128, 157820764), (152, 132901696), (256, 78910382), (304, 66450848), (512, 39455191), (608, 33225424), (733, 27559424), (1216, 16612712), (1466, 13779712), (2432, 8306356), (2833, 7130624), (2932, 6889856), (4864, 4153178), (5666, 3565312), (5864, 3444928), (9728, 2076589), (11332, 1782656), (11728, 1722464), (13927, 1450496), (22664, 891328), (23456, 861232), (27854, 725248), (45328, 445664), (46912, 430616), (53827, 375296), (55708, 362624), (90656, 222832), (93824, 215308), (107654, 187648), (111416, 181312)]