20996935947

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{491}}^1\times {\mathrm{1153}}^1$

素因数の和:1980

約数の個数: 48

約数和(自身を含む): 32860140768

約数和(自身を除く): 11863204821

約数列:

[1, 3, 9, 13, 39, 117, 317, 491, 951, 1153, 1473, 2853, 3459, 4121, 4419, 6383, 10377, 12363, 14989, 19149, 37089, 44967, 57447, 134901, 155647, 365501, 466941, 566123, 1096503, 1400823, 1698369, 2023411, 3289509, 4751513, 5095107, 6070233, 7359599, 14254539, 18210699, 22078797, 42763617, 66236391, 179460991, 538382973, 1615148919, 2332992883, 6998978649, 20996935947]

約数ペア:

[(1, 20996935947), (3, 6998978649), (9, 2332992883), (13, 1615148919), (39, 538382973), (117, 179460991), (317, 66236391), (491, 42763617), (951, 22078797), (1153, 18210699), (1473, 14254539), (2853, 7359599), (3459, 6070233), (4121, 5095107), (4419, 4751513), (6383, 3289509), (10377, 2023411), (12363, 1698369), (14989, 1400823), (19149, 1096503), (37089, 566123), (44967, 466941), (57447, 365501), (134901, 155647)]