20193558524

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{431}}^1\times {\mathrm{3557}}^1$

素因数の和:4118

約数の個数: 48

約数和(自身を含む): 36797120640

約数和(自身を除く): 16603562116

約数列:

[1, 2, 4, 37, 74, 89, 148, 178, 356, 431, 862, 1724, 3293, 3557, 6586, 7114, 13172, 14228, 15947, 31894, 38359, 63788, 76718, 131609, 153436, 263218, 316573, 526436, 633146, 1266292, 1419283, 1533067, 2838566, 3066134, 5677132, 6132268, 11713201, 23426402, 46852804, 56723479, 113446958, 136442963, 226893916, 272885926, 545771852, 5048389631, 10096779262, 20193558524]

約数ペア:

[(1, 20193558524), (2, 10096779262), (4, 5048389631), (37, 545771852), (74, 272885926), (89, 226893916), (148, 136442963), (178, 113446958), (356, 56723479), (431, 46852804), (862, 23426402), (1724, 11713201), (3293, 6132268), (3557, 5677132), (6586, 3066134), (7114, 2838566), (13172, 1533067), (14228, 1419283), (15947, 1266292), (31894, 633146), (38359, 526436), (63788, 316573), (76718, 263218), (131609, 153436)]