20954470

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{20747}}^1$

素因数の和:20855

約数の個数: 16

約数和(自身を含む): 38093328

約数和(自身を除く): 17138858

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 20747, 41494, 103735, 207470, 2095447, 4190894, 10477235, 20954470]

約数ペア:

[(1, 20954470), (2, 10477235), (5, 4190894), (10, 2095447), (101, 207470), (202, 103735), (505, 41494), (1010, 20747)]