20700386

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1319}}^1$

素因数の和:1406

約数の個数: 32

約数和(自身を含む): 38016000

約数和(自身を除く): 17315614

約数列:

[1, 2, 7, 14, 19, 38, 59, 118, 133, 266, 413, 826, 1121, 1319, 2242, 2638, 7847, 9233, 15694, 18466, 25061, 50122, 77821, 155642, 175427, 350854, 544747, 1089494, 1478599, 2957198, 10350193, 20700386]

約数ペア:

[(1, 20700386), (2, 10350193), (7, 2957198), (14, 1478599), (19, 1089494), (38, 544747), (59, 350854), (118, 175427), (133, 155642), (266, 77821), (413, 50122), (826, 25061), (1121, 18466), (1319, 15694), (2242, 9233), (2638, 7847)]