20801992

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2267}}^1$

素因数の和:2341

約数の個数: 32

約数和(自身を含む): 41368320

約数和(自身を除く): 20566328

約数列:

[1, 2, 4, 8, 31, 37, 62, 74, 124, 148, 248, 296, 1147, 2267, 2294, 4534, 4588, 9068, 9176, 18136, 70277, 83879, 140554, 167758, 281108, 335516, 562216, 671032, 2600249, 5200498, 10400996, 20801992]

約数ペア:

[(1, 20801992), (2, 10400996), (4, 5200498), (8, 2600249), (31, 671032), (37, 562216), (62, 335516), (74, 281108), (124, 167758), (148, 140554), (248, 83879), (296, 70277), (1147, 18136), (2267, 9176), (2294, 9068), (4534, 4588)]