11172020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 24796800

約数和(自身を除く): 13624780

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 149, 163, 230, 298, 326, 460, 596, 652, 745, 815, 1490, 1630, 2980, 3260, 3427, 3749, 6854, 7498, 13708, 14996, 17135, 18745, 24287, 34270, 37490, 48574, 68540, 74980, 97148, 121435, 242870, 485740, 558601, 1117202, 2234404, 2793005, 5586010, 11172020]

約数ペア:

[(1, 11172020), (2, 5586010), (4, 2793005), (5, 2234404), (10, 1117202), (20, 558601), (23, 485740), (46, 242870), (92, 121435), (115, 97148), (149, 74980), (163, 68540), (230, 48574), (298, 37490), (326, 34270), (460, 24287), (596, 18745), (652, 17135), (745, 14996), (815, 13708), (1490, 7498), (1630, 6854), (2980, 3749), (3260, 3427)]