20270796

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{977}}^1$

素因数の和:1023

約数の個数: 96

約数和(自身を含む): 61340160

約数和(自身を除く): 41069364

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 19, 21, 26, 28, 38, 39, 42, 52, 57, 76, 78, 84, 91, 114, 133, 156, 182, 228, 247, 266, 273, 364, 399, 494, 532, 546, 741, 798, 977, 988, 1092, 1482, 1596, 1729, 1954, 2931, 2964, 3458, 3908, 5187, 5862, 6839, 6916, 10374, 11724, 12701, 13678, 18563, 20517, 20748, 25402, 27356, 37126, 38103, 41034, 50804, 55689, 74252, 76206, 82068, 88907, 111378, 129941, 152412, 177814, 222756, 241319, 259882, 266721, 355628, 389823, 482638, 519764, 533442, 723957, 779646, 965276, 1066884, 1447914, 1559292, 1689233, 2895828, 3378466, 5067699, 6756932, 10135398, 20270796]

約数ペア:

[(1, 20270796), (2, 10135398), (3, 6756932), (4, 5067699), (6, 3378466), (7, 2895828), (12, 1689233), (13, 1559292), (14, 1447914), (19, 1066884), (21, 965276), (26, 779646), (28, 723957), (38, 533442), (39, 519764), (42, 482638), (52, 389823), (57, 355628), (76, 266721), (78, 259882), (84, 241319), (91, 222756), (114, 177814), (133, 152412), (156, 129941), (182, 111378), (228, 88907), (247, 82068), (266, 76206), (273, 74252), (364, 55689), (399, 50804), (494, 41034), (532, 38103), (546, 37126), (741, 27356), (798, 25402), (977, 20748), (988, 20517), (1092, 18563), (1482, 13678), (1596, 12701), (1729, 11724), (1954, 10374), (2931, 6916), (2964, 6839), (3458, 5862), (3908, 5187)]