20758672

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1493}}^1$

素因数の和:1591

約数の個数: 40

約数和(自身を含む): 44461440

約数和(自身を除く): 23702768

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 79, 88, 158, 176, 316, 632, 869, 1264, 1493, 1738, 2986, 3476, 5972, 6952, 11944, 13904, 16423, 23888, 32846, 65692, 117947, 131384, 235894, 262768, 471788, 943576, 1297417, 1887152, 2594834, 5189668, 10379336, 20758672]

約数ペア:

[(1, 20758672), (2, 10379336), (4, 5189668), (8, 2594834), (11, 1887152), (16, 1297417), (22, 943576), (44, 471788), (79, 262768), (88, 235894), (158, 131384), (176, 117947), (316, 65692), (632, 32846), (869, 23888), (1264, 16423), (1493, 13904), (1738, 11944), (2986, 6952), (3476, 5972)]