20168653828

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{293}}^1\times {\mathrm{419}}^1\times {\mathrm{613}}^1$

素因数の和:1396

約数の個数: 48

約数和(自身を含む): 36088758720

約数和(自身を除く): 15920104892

約数列:

[1, 2, 4, 67, 134, 268, 293, 419, 586, 613, 838, 1172, 1226, 1676, 2452, 19631, 28073, 39262, 41071, 56146, 78524, 82142, 112292, 122767, 164284, 179609, 245534, 256847, 359218, 491068, 513694, 718436, 1027388, 8225389, 12033803, 16450778, 17208749, 24067606, 32901556, 34417498, 48135212, 68834996, 75256171, 150512342, 301024684, 5042163457, 10084326914, 20168653828]

約数ペア:

[(1, 20168653828), (2, 10084326914), (4, 5042163457), (67, 301024684), (134, 150512342), (268, 75256171), (293, 68834996), (419, 48135212), (586, 34417498), (613, 32901556), (838, 24067606), (1172, 17208749), (1226, 16450778), (1676, 12033803), (2452, 8225389), (19631, 1027388), (28073, 718436), (39262, 513694), (41071, 491068), (56146, 359218), (78524, 256847), (82142, 245534), (112292, 179609), (122767, 164284)]