20387670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{4561}}^1$

素因数の和:4720

約数の個数: 32

約数和(自身を含む): 49269600

約数和(自身を除く): 28881930

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 149, 298, 447, 745, 894, 1490, 2235, 4470, 4561, 9122, 13683, 22805, 27366, 45610, 68415, 136830, 679589, 1359178, 2038767, 3397945, 4077534, 6795890, 10193835, 20387670]

約数ペア:

[(1, 20387670), (2, 10193835), (3, 6795890), (5, 4077534), (6, 3397945), (10, 2038767), (15, 1359178), (30, 679589), (149, 136830), (298, 68415), (447, 45610), (745, 27366), (894, 22805), (1490, 13683), (2235, 9122), (4470, 4561)]