20465068

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 40995360

約数和(自身を除く): 20530292

約数列:

[1, 2, 4, 13, 26, 29, 41, 52, 58, 82, 116, 164, 331, 377, 533, 662, 754, 1066, 1189, 1324, 1508, 2132, 2378, 4303, 4756, 8606, 9599, 13571, 15457, 17212, 19198, 27142, 30914, 38396, 54284, 61828, 124787, 176423, 249574, 352846, 393559, 499148, 705692, 787118, 1574236, 5116267, 10232534, 20465068]

約数ペア:

[(1, 20465068), (2, 10232534), (4, 5116267), (13, 1574236), (26, 787118), (29, 705692), (41, 499148), (52, 393559), (58, 352846), (82, 249574), (116, 176423), (164, 124787), (331, 61828), (377, 54284), (533, 38396), (662, 30914), (754, 27142), (1066, 19198), (1189, 17212), (1324, 15457), (1508, 13571), (2132, 9599), (2378, 8606), (4303, 4756)]