20785562

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1019}}^1$

素因数の和:1106

約数の個数: 32

約数和(自身を含む): 37601280

約数和(自身を除く): 16815718

約数列:

[1, 2, 7, 14, 31, 47, 62, 94, 217, 329, 434, 658, 1019, 1457, 2038, 2914, 7133, 10199, 14266, 20398, 31589, 47893, 63178, 95786, 221123, 335251, 442246, 670502, 1484683, 2969366, 10392781, 20785562]

約数ペア:

[(1, 20785562), (2, 10392781), (7, 2969366), (14, 1484683), (31, 670502), (47, 442246), (62, 335251), (94, 221123), (217, 95786), (329, 63178), (434, 47893), (658, 31589), (1019, 20398), (1457, 14266), (2038, 10199), (2914, 7133)]