20735392

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:341

約数の個数: 48

約数和(自身を含む): 42632352

約数和(自身を除く): 21896960

約数列:

[1, 2, 4, 8, 16, 32, 37, 74, 83, 148, 166, 211, 296, 332, 422, 592, 664, 844, 1184, 1328, 1688, 2656, 3071, 3376, 6142, 6752, 7807, 12284, 15614, 17513, 24568, 31228, 35026, 49136, 62456, 70052, 98272, 124912, 140104, 249824, 280208, 560416, 647981, 1295962, 2591924, 5183848, 10367696, 20735392]

約数ペア:

[(1, 20735392), (2, 10367696), (4, 5183848), (8, 2591924), (16, 1295962), (32, 647981), (37, 560416), (74, 280208), (83, 249824), (148, 140104), (166, 124912), (211, 98272), (296, 70052), (332, 62456), (422, 49136), (592, 35026), (664, 31228), (844, 24568), (1184, 17513), (1328, 15614), (1688, 12284), (2656, 7807), (3071, 6752), (3376, 6142)]