20437728

素因数分解:

$2^5\times 3^1\times {\mathrm{43}}^1\times {\mathrm{4951}}^1$

素因数の和:5007

約数の個数: 48

約数和(自身を含む): 54907776

約数和(自身を除く): 34470048

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 86, 96, 129, 172, 258, 344, 516, 688, 1032, 1376, 2064, 4128, 4951, 9902, 14853, 19804, 29706, 39608, 59412, 79216, 118824, 158432, 212893, 237648, 425786, 475296, 638679, 851572, 1277358, 1703144, 2554716, 3406288, 5109432, 6812576, 10218864, 20437728]

約数ペア:

[(1, 20437728), (2, 10218864), (3, 6812576), (4, 5109432), (6, 3406288), (8, 2554716), (12, 1703144), (16, 1277358), (24, 851572), (32, 638679), (43, 475296), (48, 425786), (86, 237648), (96, 212893), (129, 158432), (172, 118824), (258, 79216), (344, 59412), (516, 39608), (688, 29706), (1032, 19804), (1376, 14853), (2064, 9902), (4128, 4951)]