20444004

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2617}}^1$

素因数の和:2665

約数の個数: 72

約数和(自身を含む): 60988928

約数和(自身を除く): 40544924

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 186, 217, 252, 279, 372, 434, 558, 651, 868, 1116, 1302, 1953, 2604, 2617, 3906, 5234, 7812, 7851, 10468, 15702, 18319, 23553, 31404, 36638, 47106, 54957, 73276, 81127, 94212, 109914, 162254, 164871, 219828, 243381, 324508, 329742, 486762, 567889, 659484, 730143, 973524, 1135778, 1460286, 1703667, 2271556, 2920572, 3407334, 5111001, 6814668, 10222002, 20444004]

約数ペア:

[(1, 20444004), (2, 10222002), (3, 6814668), (4, 5111001), (6, 3407334), (7, 2920572), (9, 2271556), (12, 1703667), (14, 1460286), (18, 1135778), (21, 973524), (28, 730143), (31, 659484), (36, 567889), (42, 486762), (62, 329742), (63, 324508), (84, 243381), (93, 219828), (124, 164871), (126, 162254), (186, 109914), (217, 94212), (252, 81127), (279, 73276), (372, 54957), (434, 47106), (558, 36638), (651, 31404), (868, 23553), (1116, 18319), (1302, 15702), (1953, 10468), (2604, 7851), (2617, 7812), (3906, 5234)]