20929992

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1193}}^1$

素因数の和:1262

約数の個数: 64

約数和(自身を含む): 56738880

約数和(自身を除く): 35808888

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 43, 51, 68, 86, 102, 129, 136, 172, 204, 258, 344, 408, 516, 731, 1032, 1193, 1462, 2193, 2386, 2924, 3579, 4386, 4772, 5848, 7158, 8772, 9544, 14316, 17544, 20281, 28632, 40562, 51299, 60843, 81124, 102598, 121686, 153897, 162248, 205196, 243372, 307794, 410392, 486744, 615588, 872083, 1231176, 1744166, 2616249, 3488332, 5232498, 6976664, 10464996, 20929992]

約数ペア:

[(1, 20929992), (2, 10464996), (3, 6976664), (4, 5232498), (6, 3488332), (8, 2616249), (12, 1744166), (17, 1231176), (24, 872083), (34, 615588), (43, 486744), (51, 410392), (68, 307794), (86, 243372), (102, 205196), (129, 162248), (136, 153897), (172, 121686), (204, 102598), (258, 81124), (344, 60843), (408, 51299), (516, 40562), (731, 28632), (1032, 20281), (1193, 17544), (1462, 14316), (2193, 9544), (2386, 8772), (2924, 7158), (3579, 5848), (4386, 4772)]