23139820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{983}}^1$

素因数の和:1110

約数の個数: 48

約数和(自身を含む): 53561088

約数和(自身を除く): 30421268

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 214, 220, 428, 535, 983, 1070, 1177, 1966, 2140, 2354, 3932, 4708, 4915, 5885, 9830, 10813, 11770, 19660, 21626, 23540, 43252, 54065, 105181, 108130, 210362, 216260, 420724, 525905, 1051810, 1156991, 2103620, 2313982, 4627964, 5784955, 11569910, 23139820]

約数ペア:

[(1, 23139820), (2, 11569910), (4, 5784955), (5, 4627964), (10, 2313982), (11, 2103620), (20, 1156991), (22, 1051810), (44, 525905), (55, 420724), (107, 216260), (110, 210362), (214, 108130), (220, 105181), (428, 54065), (535, 43252), (983, 23540), (1070, 21626), (1177, 19660), (1966, 11770), (2140, 10813), (2354, 9830), (3932, 5885), (4708, 4915)]