20750457

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2621}}^1$

素因数の和:2673

約数の個数: 32

約数和(自身を含む): 35239680

約数和(自身を除く): 14489223

約数列:

[1, 3, 7, 13, 21, 29, 39, 87, 91, 203, 273, 377, 609, 1131, 2621, 2639, 7863, 7917, 18347, 34073, 55041, 76009, 102219, 228027, 238511, 532063, 715533, 988117, 1596189, 2964351, 6916819, 20750457]

約数ペア:

[(1, 20750457), (3, 6916819), (7, 2964351), (13, 1596189), (21, 988117), (29, 715533), (39, 532063), (87, 238511), (91, 228027), (203, 102219), (273, 76009), (377, 55041), (609, 34073), (1131, 18347), (2621, 7917), (2639, 7863)]