16667860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{317}}^1$

素因数の和:576

約数の個数: 48

約数和(自身を含む): 38465280

約数和(自身を除く): 21797420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 239, 317, 478, 634, 956, 1195, 1268, 1585, 2390, 2629, 3170, 3487, 4780, 5258, 6340, 6974, 10516, 13145, 13948, 17435, 26290, 34870, 52580, 69740, 75763, 151526, 303052, 378815, 757630, 833393, 1515260, 1666786, 3333572, 4166965, 8333930, 16667860]

約数ペア:

[(1, 16667860), (2, 8333930), (4, 4166965), (5, 3333572), (10, 1666786), (11, 1515260), (20, 833393), (22, 757630), (44, 378815), (55, 303052), (110, 151526), (220, 75763), (239, 69740), (317, 52580), (478, 34870), (634, 26290), (956, 17435), (1195, 13948), (1268, 13145), (1585, 10516), (2390, 6974), (2629, 6340), (3170, 5258), (3487, 4780)]