20078047664

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{211}}^1\times {\mathrm{112213}}^1$

素因数の和:112485

約数の個数: 40

約数和(自身を含む): 39823402032

約数和(自身を除く): 19745354368

約数列:

[1, 2, 4, 8, 16, 53, 106, 211, 212, 422, 424, 844, 848, 1688, 3376, 11183, 22366, 44732, 89464, 112213, 178928, 224426, 448852, 897704, 1795408, 5947289, 11894578, 23676943, 23789156, 47353886, 47578312, 94707772, 95156624, 189415544, 378831088, 1254877979, 2509755958, 5019511916, 10039023832, 20078047664]

約数ペア:

[(1, 20078047664), (2, 10039023832), (4, 5019511916), (8, 2509755958), (16, 1254877979), (53, 378831088), (106, 189415544), (211, 95156624), (212, 94707772), (422, 47578312), (424, 47353886), (844, 23789156), (848, 23676943), (1688, 11894578), (3376, 5947289), (11183, 1795408), (22366, 897704), (44732, 448852), (89464, 224426), (112213, 178928)]