20564459715

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{185491}}^1$

素因数の和:185907

約数の個数: 32

約数和(自身を含む): 34724102400

約数和(自身を除く): 14159642685

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 389, 1167, 1945, 5835, 7391, 22173, 36955, 110865, 185491, 556473, 927455, 2782365, 3524329, 10572987, 17621645, 52864935, 72155999, 216467997, 360779995, 1082339985, 1370963981, 4112891943, 6854819905, 20564459715]

約数ペア:

[(1, 20564459715), (3, 6854819905), (5, 4112891943), (15, 1370963981), (19, 1082339985), (57, 360779995), (95, 216467997), (285, 72155999), (389, 52864935), (1167, 17621645), (1945, 10572987), (5835, 3524329), (7391, 2782365), (22173, 927455), (36955, 556473), (110865, 185491)]