20158619907

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{54437}}^1$

素因数の和:54647

約数の個数: 32

約数和(自身を含む): 29208382272

約数和(自身を除く): 9049762365

約数列:

[1, 3, 17, 51, 53, 137, 159, 411, 901, 2329, 2703, 6987, 7261, 21783, 54437, 123437, 163311, 370311, 925429, 2776287, 2885161, 7457869, 8655483, 22373607, 49047737, 126783773, 147143211, 380351319, 395267057, 1185801171, 6719539969, 20158619907]

約数ペア:

[(1, 20158619907), (3, 6719539969), (17, 1185801171), (51, 395267057), (53, 380351319), (137, 147143211), (159, 126783773), (411, 49047737), (901, 22373607), (2329, 8655483), (2703, 7457869), (6987, 2885161), (7261, 2776287), (21783, 925429), (54437, 370311), (123437, 163311)]