20173585056

素因数分解:

$2^5\times 3^1\times {\mathrm{29}}^2\times {\mathrm{249871}}^1$

素因数の和:249942

約数の個数: 72

約数和(自身を含む): 54844905024

約数和(自身を除く): 34671319968

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 32, 48, 58, 87, 96, 116, 174, 232, 348, 464, 696, 841, 928, 1392, 1682, 2523, 2784, 3364, 5046, 6728, 10092, 13456, 20184, 26912, 40368, 80736, 249871, 499742, 749613, 999484, 1499226, 1998968, 2998452, 3997936, 5996904, 7246259, 7995872, 11993808, 14492518, 21738777, 23987616, 28985036, 43477554, 57970072, 86955108, 115940144, 173910216, 210141511, 231880288, 347820432, 420283022, 630424533, 695640864, 840566044, 1260849066, 1681132088, 2521698132, 3362264176, 5043396264, 6724528352, 10086792528, 20173585056]

約数ペア:

[(1, 20173585056), (2, 10086792528), (3, 6724528352), (4, 5043396264), (6, 3362264176), (8, 2521698132), (12, 1681132088), (16, 1260849066), (24, 840566044), (29, 695640864), (32, 630424533), (48, 420283022), (58, 347820432), (87, 231880288), (96, 210141511), (116, 173910216), (174, 115940144), (232, 86955108), (348, 57970072), (464, 43477554), (696, 28985036), (841, 23987616), (928, 21738777), (1392, 14492518), (1682, 11993808), (2523, 7995872), (2784, 7246259), (3364, 5996904), (5046, 3997936), (6728, 2998452), (10092, 1998968), (13456, 1499226), (20184, 999484), (26912, 749613), (40368, 499742), (80736, 249871)]