20198890735

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1\times {\mathrm{3343}}^1$

素因数の和:3727

約数の個数: 32

約数和(自身を含む): 25107287040

約数和(自身を除く): 4908396305

約数列:

[1, 5, 43, 157, 179, 215, 785, 895, 3343, 6751, 7697, 16715, 28103, 33755, 38485, 140515, 143749, 524851, 598397, 718745, 1208429, 2624255, 2991985, 6042145, 22568593, 25731071, 93948329, 112842965, 128655355, 469741645, 4039778147, 20198890735]

約数ペア:

[(1, 20198890735), (5, 4039778147), (43, 469741645), (157, 128655355), (179, 112842965), (215, 93948329), (785, 25731071), (895, 22568593), (3343, 6042145), (6751, 2991985), (7697, 2624255), (16715, 1208429), (28103, 718745), (33755, 598397), (38485, 524851), (140515, 143749)]