20153928

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{331}}^1$

素因数の和:442

約数の個数: 64

約数和(自身を含む): 52588800

約数和(自身を除く): 32434872

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 59, 86, 118, 129, 172, 177, 236, 258, 331, 344, 354, 472, 516, 662, 708, 993, 1032, 1324, 1416, 1986, 2537, 2648, 3972, 5074, 7611, 7944, 10148, 14233, 15222, 19529, 20296, 28466, 30444, 39058, 42699, 56932, 58587, 60888, 78116, 85398, 113864, 117174, 156232, 170796, 234348, 341592, 468696, 839747, 1679494, 2519241, 3358988, 5038482, 6717976, 10076964, 20153928]

約数ペア:

[(1, 20153928), (2, 10076964), (3, 6717976), (4, 5038482), (6, 3358988), (8, 2519241), (12, 1679494), (24, 839747), (43, 468696), (59, 341592), (86, 234348), (118, 170796), (129, 156232), (172, 117174), (177, 113864), (236, 85398), (258, 78116), (331, 60888), (344, 58587), (354, 56932), (472, 42699), (516, 39058), (662, 30444), (708, 28466), (993, 20296), (1032, 19529), (1324, 15222), (1416, 14233), (1986, 10148), (2537, 7944), (2648, 7611), (3972, 5074)]