20359472

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^3\times {\mathrm{37}}^1$

素因数の和:103

約数の個数: 80

約数和(自身を含む): 49193280

約数和(自身を除く): 28833808

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 37, 56, 68, 74, 112, 119, 136, 148, 238, 259, 272, 289, 296, 476, 518, 578, 592, 629, 952, 1036, 1156, 1258, 1904, 2023, 2072, 2312, 2516, 4046, 4144, 4403, 4624, 4913, 5032, 8092, 8806, 9826, 10064, 10693, 16184, 17612, 19652, 21386, 32368, 34391, 35224, 39304, 42772, 68782, 70448, 74851, 78608, 85544, 137564, 149702, 171088, 181781, 275128, 299404, 363562, 550256, 598808, 727124, 1197616, 1272467, 1454248, 2544934, 2908496, 5089868, 10179736, 20359472]

約数ペア:

[(1, 20359472), (2, 10179736), (4, 5089868), (7, 2908496), (8, 2544934), (14, 1454248), (16, 1272467), (17, 1197616), (28, 727124), (34, 598808), (37, 550256), (56, 363562), (68, 299404), (74, 275128), (112, 181781), (119, 171088), (136, 149702), (148, 137564), (238, 85544), (259, 78608), (272, 74851), (289, 70448), (296, 68782), (476, 42772), (518, 39304), (578, 35224), (592, 34391), (629, 32368), (952, 21386), (1036, 19652), (1156, 17612), (1258, 16184), (1904, 10693), (2023, 10064), (2072, 9826), (2312, 8806), (2516, 8092), (4046, 5032), (4144, 4913), (4403, 4624)]