20236460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1123}}^1$

素因数の和:1202

約数の個数: 48

約数和(自身を含む): 45886176

約数和(自身を除く): 25649716

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 85, 106, 170, 212, 265, 340, 530, 901, 1060, 1123, 1802, 2246, 3604, 4492, 4505, 5615, 9010, 11230, 18020, 19091, 22460, 38182, 59519, 76364, 95455, 119038, 190910, 238076, 297595, 381820, 595190, 1011823, 1190380, 2023646, 4047292, 5059115, 10118230, 20236460]

約数ペア:

[(1, 20236460), (2, 10118230), (4, 5059115), (5, 4047292), (10, 2023646), (17, 1190380), (20, 1011823), (34, 595190), (53, 381820), (68, 297595), (85, 238076), (106, 190910), (170, 119038), (212, 95455), (265, 76364), (340, 59519), (530, 38182), (901, 22460), (1060, 19091), (1123, 18020), (1802, 11230), (2246, 9010), (3604, 5615), (4492, 4505)]