20541644

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{1031}}^1$

素因数の和:1345

約数の個数: 24

約数和(自身を含む): 38229408

約数和(自身を除く): 17687764

約数列:

[1, 2, 4, 17, 34, 68, 293, 586, 1031, 1172, 2062, 4124, 4981, 9962, 17527, 19924, 35054, 70108, 302083, 604166, 1208332, 5135411, 10270822, 20541644]

約数ペア:

[(1, 20541644), (2, 10270822), (4, 5135411), (17, 1208332), (34, 604166), (68, 302083), (293, 70108), (586, 35054), (1031, 19924), (1172, 17527), (2062, 9962), (4124, 4981)]