2020982920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{124139}}^1$

素因数の和:124198

約数の個数: 64

約数和(自身を含む): 5094705600

約数和(自身を除く): 3073722680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 740, 814, 1480, 1628, 2035, 3256, 4070, 8140, 16280, 124139, 248278, 496556, 620695, 993112, 1241390, 1365529, 2482780, 2731058, 4593143, 4965560, 5462116, 6827645, 9186286, 10924232, 13655290, 18372572, 22965715, 27310580, 36745144, 45931430, 50524573, 54621160, 91862860, 101049146, 183725720, 202098292, 252622865, 404196584, 505245730, 1010491460, 2020982920]

約数ペア:

[(1, 2020982920), (2, 1010491460), (4, 505245730), (5, 404196584), (8, 252622865), (10, 202098292), (11, 183725720), (20, 101049146), (22, 91862860), (37, 54621160), (40, 50524573), (44, 45931430), (55, 36745144), (74, 27310580), (88, 22965715), (110, 18372572), (148, 13655290), (185, 10924232), (220, 9186286), (296, 6827645), (370, 5462116), (407, 4965560), (440, 4593143), (740, 2731058), (814, 2482780), (1480, 1365529), (1628, 1241390), (2035, 993112), (3256, 620695), (4070, 496556), (8140, 248278), (16280, 124139)]