20138554490

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2053}}^1\times {\mathrm{31643}}^1$

素因数の和:33734

約数の個数: 32

約数和(自身を含む): 37438142976

約数和(自身を除く): 17299588486

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 2053, 4106, 10265, 20530, 31643, 63286, 63643, 127286, 158215, 316430, 318215, 636430, 980933, 1961866, 4904665, 9809330, 64963079, 129926158, 324815395, 649630790, 2013855449, 4027710898, 10069277245, 20138554490]

約数ペア:

[(1, 20138554490), (2, 10069277245), (5, 4027710898), (10, 2013855449), (31, 649630790), (62, 324815395), (155, 129926158), (310, 64963079), (2053, 9809330), (4106, 4904665), (10265, 1961866), (20530, 980933), (31643, 636430), (63286, 318215), (63643, 316430), (127286, 158215)]