20227940840

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{147391}}^1$

素因数の和:147522

約数の個数: 64

約数和(自身を含む): 47118274560

約数和(自身を除く): 26890333720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 73, 94, 146, 188, 235, 292, 365, 376, 470, 584, 730, 940, 1460, 1880, 2920, 3431, 6862, 13724, 17155, 27448, 34310, 68620, 137240, 147391, 294782, 589564, 736955, 1179128, 1473910, 2947820, 5895640, 6927377, 10759543, 13854754, 21519086, 27709508, 34636885, 43038172, 53797715, 55419016, 69273770, 86076344, 107595430, 138547540, 215190860, 277095080, 430381720, 505698521, 1011397042, 2022794084, 2528492605, 4045588168, 5056985210, 10113970420, 20227940840]

約数ペア:

[(1, 20227940840), (2, 10113970420), (4, 5056985210), (5, 4045588168), (8, 2528492605), (10, 2022794084), (20, 1011397042), (40, 505698521), (47, 430381720), (73, 277095080), (94, 215190860), (146, 138547540), (188, 107595430), (235, 86076344), (292, 69273770), (365, 55419016), (376, 53797715), (470, 43038172), (584, 34636885), (730, 27709508), (940, 21519086), (1460, 13854754), (1880, 10759543), (2920, 6927377), (3431, 5895640), (6862, 2947820), (13724, 1473910), (17155, 1179128), (27448, 736955), (34310, 589564), (68620, 294782), (137240, 147391)]