20041430

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{19843}}^1$

素因数の和:19951

約数の個数: 16

約数和(自身を含む): 36433584

約数和(自身を除く): 16392154

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 19843, 39686, 99215, 198430, 2004143, 4008286, 10020715, 20041430]

約数ペア:

[(1, 20041430), (2, 10020715), (5, 4008286), (10, 2004143), (101, 198430), (202, 99215), (505, 39686), (1010, 19843)]