20350736

素因数分解:

$2^4\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1667}}^1$

素因数の和:1791

約数の個数: 40

約数和(自身を含む): 45503040

約数和(自身を除く): 25152304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 109, 112, 218, 436, 763, 872, 1526, 1667, 1744, 3052, 3334, 6104, 6668, 11669, 12208, 13336, 23338, 26672, 46676, 93352, 181703, 186704, 363406, 726812, 1271921, 1453624, 2543842, 2907248, 5087684, 10175368, 20350736]

約数ペア:

[(1, 20350736), (2, 10175368), (4, 5087684), (7, 2907248), (8, 2543842), (14, 1453624), (16, 1271921), (28, 726812), (56, 363406), (109, 186704), (112, 181703), (218, 93352), (436, 46676), (763, 26672), (872, 23338), (1526, 13336), (1667, 12208), (1744, 11669), (3052, 6668), (3334, 6104)]