20596772

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 43330560

約数和(自身を除く): 22733788

約数列:

[1, 2, 4, 7, 14, 28, 31, 61, 62, 122, 124, 217, 244, 389, 427, 434, 778, 854, 868, 1556, 1708, 1891, 2723, 3782, 5446, 7564, 10892, 12059, 13237, 23729, 24118, 26474, 47458, 48236, 52948, 84413, 94916, 166103, 168826, 332206, 337652, 664412, 735599, 1471198, 2942396, 5149193, 10298386, 20596772]

約数ペア:

[(1, 20596772), (2, 10298386), (4, 5149193), (7, 2942396), (14, 1471198), (28, 735599), (31, 664412), (61, 337652), (62, 332206), (122, 168826), (124, 166103), (217, 94916), (244, 84413), (389, 52948), (427, 48236), (434, 47458), (778, 26474), (854, 24118), (868, 23729), (1556, 13237), (1708, 12059), (1891, 10892), (2723, 7564), (3782, 5446)]