20977796

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{44071}}^1$

素因数の和:44099

約数の個数: 24

約数和(自身を含む): 44424576

約数和(自身を除く): 23446780

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 44071, 88142, 176284, 308497, 616994, 749207, 1233988, 1498414, 2996828, 5244449, 10488898, 20977796]

約数ペア:

[(1, 20977796), (2, 10488898), (4, 5244449), (7, 2996828), (14, 1498414), (17, 1233988), (28, 749207), (34, 616994), (68, 308497), (119, 176284), (238, 88142), (476, 44071)]