20020395

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{353}}^1$

素因数の和:579

約数の個数: 32

約数和(自身を含む): 33984000

約数和(自身を除く): 13963605

約数列:

[1, 3, 5, 15, 19, 57, 95, 199, 285, 353, 597, 995, 1059, 1765, 2985, 3781, 5295, 6707, 11343, 18905, 20121, 33535, 56715, 70247, 100605, 210741, 351235, 1053705, 1334693, 4004079, 6673465, 20020395]

約数ペア:

[(1, 20020395), (3, 6673465), (5, 4004079), (15, 1334693), (19, 1053705), (57, 351235), (95, 210741), (199, 100605), (285, 70247), (353, 56715), (597, 33535), (995, 20121), (1059, 18905), (1765, 11343), (2985, 6707), (3781, 5295)]