201620821340

素因数分解:

$2^2\times 5^1\times {\mathrm{541}}^1\times {\mathrm{1831}}^1\times {\mathrm{10177}}^1$

素因数の和:12558

約数の個数: 48

約数和(自身を含む): 424459729344

約数和(自身を除く): 222838908004

約数列:

[1, 2, 4, 5, 10, 20, 541, 1082, 1831, 2164, 2705, 3662, 5410, 7324, 9155, 10177, 10820, 18310, 20354, 36620, 40708, 50885, 101770, 203540, 990571, 1981142, 3962284, 4952855, 5505757, 9905710, 11011514, 18634087, 19811420, 22023028, 27528785, 37268174, 55057570, 74536348, 93170435, 110115140, 186340870, 372681740, 10081041067, 20162082134, 40324164268, 50405205335, 100810410670, 201620821340]

約数ペア:

[(1, 201620821340), (2, 100810410670), (4, 50405205335), (5, 40324164268), (10, 20162082134), (20, 10081041067), (541, 372681740), (1082, 186340870), (1831, 110115140), (2164, 93170435), (2705, 74536348), (3662, 55057570), (5410, 37268174), (7324, 27528785), (9155, 22023028), (10177, 19811420), (10820, 18634087), (18310, 11011514), (20354, 9905710), (36620, 5505757), (40708, 4952855), (50885, 3962284), (101770, 1981142), (203540, 990571)]