20375532

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1$

素因数の和:303

約数の個数: 72

約数和(自身を含む): 53660880

約数和(自身を除く): 33285348

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 59, 106, 118, 159, 177, 181, 212, 236, 318, 354, 362, 477, 531, 543, 636, 708, 724, 954, 1062, 1086, 1629, 1908, 2124, 2172, 3127, 3258, 6254, 6516, 9381, 9593, 10679, 12508, 18762, 19186, 21358, 28143, 28779, 32037, 37524, 38372, 42716, 56286, 57558, 64074, 86337, 96111, 112572, 115116, 128148, 172674, 192222, 345348, 384444, 565987, 1131974, 1697961, 2263948, 3395922, 5093883, 6791844, 10187766, 20375532]

約数ペア:

[(1, 20375532), (2, 10187766), (3, 6791844), (4, 5093883), (6, 3395922), (9, 2263948), (12, 1697961), (18, 1131974), (36, 565987), (53, 384444), (59, 345348), (106, 192222), (118, 172674), (159, 128148), (177, 115116), (181, 112572), (212, 96111), (236, 86337), (318, 64074), (354, 57558), (362, 56286), (477, 42716), (531, 38372), (543, 37524), (636, 32037), (708, 28779), (724, 28143), (954, 21358), (1062, 19186), (1086, 18762), (1629, 12508), (1908, 10679), (2124, 9593), (2172, 9381), (3127, 6516), (3258, 6254)]