20177794671

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{383}}^1\times {\mathrm{2609}}^1$

素因数の和:3175

約数の個数: 32

約数和(自身を含む): 27709931520

約数和(自身を除く): 7532136849

約数列:

[1, 3, 53, 127, 159, 381, 383, 1149, 2609, 6731, 7827, 20193, 20299, 48641, 60897, 138277, 145923, 331343, 414831, 994029, 999247, 2577973, 2997741, 7733919, 17561179, 52683537, 52960091, 126904369, 158880273, 380713107, 6725931557, 20177794671]

約数ペア:

[(1, 20177794671), (3, 6725931557), (53, 380713107), (127, 158880273), (159, 126904369), (381, 52960091), (383, 52683537), (1149, 17561179), (2609, 7733919), (6731, 2997741), (7827, 2577973), (20193, 999247), (20299, 994029), (48641, 414831), (60897, 331343), (138277, 145923)]