20087604

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:381

約数の個数: 72

約数和(自身を含む): 53464320

約数和(自身を除く): 33376716

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 71, 87, 116, 142, 174, 213, 261, 271, 284, 348, 426, 522, 542, 639, 813, 852, 1044, 1084, 1278, 1626, 2059, 2439, 2556, 3252, 4118, 4878, 6177, 7859, 8236, 9756, 12354, 15718, 18531, 19241, 23577, 24708, 31436, 37062, 38482, 47154, 57723, 70731, 74124, 76964, 94308, 115446, 141462, 173169, 230892, 282924, 346338, 557989, 692676, 1115978, 1673967, 2231956, 3347934, 5021901, 6695868, 10043802, 20087604]

約数ペア:

[(1, 20087604), (2, 10043802), (3, 6695868), (4, 5021901), (6, 3347934), (9, 2231956), (12, 1673967), (18, 1115978), (29, 692676), (36, 557989), (58, 346338), (71, 282924), (87, 230892), (116, 173169), (142, 141462), (174, 115446), (213, 94308), (261, 76964), (271, 74124), (284, 70731), (348, 57723), (426, 47154), (522, 38482), (542, 37062), (639, 31436), (813, 24708), (852, 23577), (1044, 19241), (1084, 18531), (1278, 15718), (1626, 12354), (2059, 9756), (2439, 8236), (2556, 7859), (3252, 6177), (4118, 4878)]