20651256

素因数分解:

$2^3\times 3^2\times {\mathrm{233}}^1\times {\mathrm{1231}}^1$

素因数の和:1476

約数の個数: 48

約数和(自身を含む): 56216160

約数和(自身を除く): 35564904

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 233, 466, 699, 932, 1231, 1398, 1864, 2097, 2462, 2796, 3693, 4194, 4924, 5592, 7386, 8388, 9848, 11079, 14772, 16776, 22158, 29544, 44316, 88632, 286823, 573646, 860469, 1147292, 1720938, 2294584, 2581407, 3441876, 5162814, 6883752, 10325628, 20651256]

約数ペア:

[(1, 20651256), (2, 10325628), (3, 6883752), (4, 5162814), (6, 3441876), (8, 2581407), (9, 2294584), (12, 1720938), (18, 1147292), (24, 860469), (36, 573646), (72, 286823), (233, 88632), (466, 44316), (699, 29544), (932, 22158), (1231, 16776), (1398, 14772), (1864, 11079), (2097, 9848), (2462, 8388), (2796, 7386), (3693, 5592), (4194, 4924)]