20447930

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{941}}^1$

素因数の和:1042

約数の個数: 32

約数和(自身を含む): 38456208

約数和(自身を除く): 18008278

約数列:

[1, 2, 5, 10, 41, 53, 82, 106, 205, 265, 410, 530, 941, 1882, 2173, 4346, 4705, 9410, 10865, 21730, 38581, 49873, 77162, 99746, 192905, 249365, 385810, 498730, 2044793, 4089586, 10223965, 20447930]

約数ペア:

[(1, 20447930), (2, 10223965), (5, 4089586), (10, 2044793), (41, 498730), (53, 385810), (82, 249365), (106, 192905), (205, 99746), (265, 77162), (410, 49873), (530, 38581), (941, 21730), (1882, 10865), (2173, 9410), (4346, 4705)]