20961726

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{719}}^1$

素因数の和:880

約数の個数: 32

約数和(自身を含む): 43338240

約数和(自身を除く): 22376514

約数列:

[1, 2, 3, 6, 43, 86, 113, 129, 226, 258, 339, 678, 719, 1438, 2157, 4314, 4859, 9718, 14577, 29154, 30917, 61834, 81247, 92751, 162494, 185502, 243741, 487482, 3493621, 6987242, 10480863, 20961726]

約数ペア:

[(1, 20961726), (2, 10480863), (3, 6987242), (6, 3493621), (43, 487482), (86, 243741), (113, 185502), (129, 162494), (226, 92751), (258, 81247), (339, 61834), (678, 30917), (719, 29154), (1438, 14577), (2157, 9718), (4314, 4859)]