20235979288

素因数分解:

$2^3\times 7^1\times {\mathrm{4637}}^1\times {\mathrm{77929}}^1$

素因数の和:82579

約数の個数: 32

約数和(自身を含む): 43372720800

約数和(自身を除く): 23136741512

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 4637, 9274, 18548, 32459, 37096, 64918, 77929, 129836, 155858, 259672, 311716, 545503, 623432, 1091006, 2182012, 4364024, 361356773, 722713546, 1445427092, 2529497411, 2890854184, 5058994822, 10117989644, 20235979288]

約数ペア:

[(1, 20235979288), (2, 10117989644), (4, 5058994822), (7, 2890854184), (8, 2529497411), (14, 1445427092), (28, 722713546), (56, 361356773), (4637, 4364024), (9274, 2182012), (18548, 1091006), (32459, 623432), (37096, 545503), (64918, 311716), (77929, 259672), (129836, 155858)]