20380152

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{787}}^1$

素因数の和:892

約数の個数: 64

約数和(自身を含む): 55601280

約数和(自身を除く): 35221128

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 83, 104, 156, 166, 249, 312, 332, 498, 664, 787, 996, 1079, 1574, 1992, 2158, 2361, 3148, 3237, 4316, 4722, 6296, 6474, 8632, 9444, 10231, 12948, 18888, 20462, 25896, 30693, 40924, 61386, 65321, 81848, 122772, 130642, 195963, 245544, 261284, 391926, 522568, 783852, 849173, 1567704, 1698346, 2547519, 3396692, 5095038, 6793384, 10190076, 20380152]

約数ペア:

[(1, 20380152), (2, 10190076), (3, 6793384), (4, 5095038), (6, 3396692), (8, 2547519), (12, 1698346), (13, 1567704), (24, 849173), (26, 783852), (39, 522568), (52, 391926), (78, 261284), (83, 245544), (104, 195963), (156, 130642), (166, 122772), (249, 81848), (312, 65321), (332, 61386), (498, 40924), (664, 30693), (787, 25896), (996, 20462), (1079, 18888), (1574, 12948), (1992, 10231), (2158, 9444), (2361, 8632), (3148, 6474), (3237, 6296), (4316, 4722)]