20977502

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1459}}^1$

素因数の和:1560

約数の個数: 32

約数和(自身を含む): 39244800

約数和(自身を除く): 18267298

約数列:

[1, 2, 7, 13, 14, 26, 79, 91, 158, 182, 553, 1027, 1106, 1459, 2054, 2918, 7189, 10213, 14378, 18967, 20426, 37934, 115261, 132769, 230522, 265538, 806827, 1498393, 1613654, 2996786, 10488751, 20977502]

約数ペア:

[(1, 20977502), (2, 10488751), (7, 2996786), (13, 1613654), (14, 1498393), (26, 806827), (79, 265538), (91, 230522), (158, 132769), (182, 115261), (553, 37934), (1027, 20426), (1106, 18967), (1459, 14378), (2054, 10213), (2918, 7189)]