20708112

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:260

約数の個数: 80

約数和(自身を含む): 55869440

約数和(自身を除く): 35161328

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 79, 86, 127, 129, 158, 172, 237, 254, 258, 316, 344, 381, 474, 508, 516, 632, 688, 762, 948, 1016, 1032, 1264, 1524, 1896, 2032, 2064, 3048, 3397, 3792, 5461, 6096, 6794, 10033, 10191, 10922, 13588, 16383, 20066, 20382, 21844, 27176, 30099, 32766, 40132, 40764, 43688, 54352, 60198, 65532, 80264, 81528, 87376, 120396, 131064, 160528, 163056, 240792, 262128, 431419, 481584, 862838, 1294257, 1725676, 2588514, 3451352, 5177028, 6902704, 10354056, 20708112]

約数ペア:

[(1, 20708112), (2, 10354056), (3, 6902704), (4, 5177028), (6, 3451352), (8, 2588514), (12, 1725676), (16, 1294257), (24, 862838), (43, 481584), (48, 431419), (79, 262128), (86, 240792), (127, 163056), (129, 160528), (158, 131064), (172, 120396), (237, 87376), (254, 81528), (258, 80264), (316, 65532), (344, 60198), (381, 54352), (474, 43688), (508, 40764), (516, 40132), (632, 32766), (688, 30099), (762, 27176), (948, 21844), (1016, 20382), (1032, 20066), (1264, 16383), (1524, 13588), (1896, 10922), (2032, 10191), (2064, 10033), (3048, 6794), (3397, 6096), (3792, 5461)]