20657406

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{733}}^1$

素因数の和:817

約数の個数: 64

約数和(自身を含む): 52425216

約数和(自身を除く): 31767810

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 61, 66, 77, 122, 154, 183, 231, 366, 427, 462, 671, 733, 854, 1281, 1342, 1466, 2013, 2199, 2562, 4026, 4398, 4697, 5131, 8063, 9394, 10262, 14091, 15393, 16126, 24189, 28182, 30786, 44713, 48378, 56441, 89426, 112882, 134139, 169323, 268278, 312991, 338646, 491843, 625982, 938973, 983686, 1475529, 1877946, 2951058, 3442901, 6885802, 10328703, 20657406]

約数ペア:

[(1, 20657406), (2, 10328703), (3, 6885802), (6, 3442901), (7, 2951058), (11, 1877946), (14, 1475529), (21, 983686), (22, 938973), (33, 625982), (42, 491843), (61, 338646), (66, 312991), (77, 268278), (122, 169323), (154, 134139), (183, 112882), (231, 89426), (366, 56441), (427, 48378), (462, 44713), (671, 30786), (733, 28182), (854, 24189), (1281, 16126), (1342, 15393), (1466, 14091), (2013, 10262), (2199, 9394), (2562, 8063), (4026, 5131), (4398, 4697)]