20072965

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 27712512

約数和(自身を除く): 7639547

約数列:

[1, 5, 11, 31, 55, 61, 155, 193, 305, 341, 671, 965, 1705, 1891, 2123, 3355, 5983, 9455, 10615, 11773, 20801, 29915, 58865, 65813, 104005, 129503, 329065, 364963, 647515, 1824815, 4014593, 20072965]

約数ペア:

[(1, 20072965), (5, 4014593), (11, 1824815), (31, 647515), (55, 364963), (61, 329065), (155, 129503), (193, 104005), (305, 65813), (341, 58865), (671, 29915), (965, 20801), (1705, 11773), (1891, 10615), (2123, 9455), (3355, 5983)]