203401808

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{112501}}^1$

素因数の和:112622

約数の個数: 20

約数和(自身を含む): 397582068

約数和(自身を除く): 194180260

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 112501, 225002, 450004, 900008, 1800016, 12712613, 25425226, 50850452, 101700904, 203401808]

約数ペア:

[(1, 203401808), (2, 101700904), (4, 50850452), (8, 25425226), (16, 12712613), (113, 1800016), (226, 900008), (452, 450004), (904, 225002), (1808, 112501)]