20785989118

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{757}}^1\times {\mathrm{1951}}^1$

素因数の和:2968

約数の個数: 32

約数和(自身を含む): 32385835008

約数和(自身を除く): 11599845890

約数列:

[1, 2, 31, 62, 227, 454, 757, 1514, 1951, 3902, 7037, 14074, 23467, 46934, 60481, 120962, 171839, 343678, 442877, 885754, 1476907, 2953814, 5327009, 10654018, 13729187, 27458374, 45784117, 91568234, 335257889, 670515778, 10392994559, 20785989118]

約数ペア:

[(1, 20785989118), (2, 10392994559), (31, 670515778), (62, 335257889), (227, 91568234), (454, 45784117), (757, 27458374), (1514, 13729187), (1951, 10654018), (3902, 5327009), (7037, 2953814), (14074, 1476907), (23467, 885754), (46934, 442877), (60481, 343678), (120962, 171839)]