20002877890568

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{4877}}^1\times {\mathrm{252181}}^1$

素因数の和:257190

約数の個数: 64

約数和(自身を含む): 39856658990400

約数和(自身を除く): 19853781099832

約数列:

[1, 2, 4, 8, 19, 38, 76, 107, 152, 214, 428, 856, 2033, 4066, 4877, 8132, 9754, 16264, 19508, 39016, 92663, 185326, 252181, 370652, 504362, 521839, 741304, 1008724, 1043678, 2017448, 2087356, 4174712, 4791439, 9582878, 9914941, 19165756, 19829882, 26983367, 38331512, 39659764, 53966734, 79319528, 107933468, 215866936, 512683973, 1025367946, 1229886737, 2050735892, 2459773474, 4101471784, 4919546948, 9839093896, 23367848003, 46735696006, 93471392012, 131597880859, 186942784024, 263195761718, 526391523436, 1052783046872, 2500359736321, 5000719472642, 10001438945284, 20002877890568]

約数ペア:

[(1, 20002877890568), (2, 10001438945284), (4, 5000719472642), (8, 2500359736321), (19, 1052783046872), (38, 526391523436), (76, 263195761718), (107, 186942784024), (152, 131597880859), (214, 93471392012), (428, 46735696006), (856, 23367848003), (2033, 9839093896), (4066, 4919546948), (4877, 4101471784), (8132, 2459773474), (9754, 2050735892), (16264, 1229886737), (19508, 1025367946), (39016, 512683973), (92663, 215866936), (185326, 107933468), (252181, 79319528), (370652, 53966734), (504362, 39659764), (521839, 38331512), (741304, 26983367), (1008724, 19829882), (1043678, 19165756), (2017448, 9914941), (2087356, 9582878), (4174712, 4791439)]