20203030

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1\times {\mathrm{241}}^1$

素因数の和:432

約数の個数: 32

約数和(自身を含む): 37322208

約数和(自身を除く): 17119178

約数列:

[1, 2, 5, 10, 83, 101, 166, 202, 241, 415, 482, 505, 830, 1010, 1205, 2410, 8383, 16766, 20003, 24341, 40006, 41915, 48682, 83830, 100015, 121705, 200030, 243410, 2020303, 4040606, 10101515, 20203030]

約数ペア:

[(1, 20203030), (2, 10101515), (5, 4040606), (10, 2020303), (83, 243410), (101, 200030), (166, 121705), (202, 100015), (241, 83830), (415, 48682), (482, 41915), (505, 40006), (830, 24341), (1010, 20003), (1205, 16766), (2410, 8383)]