20002130

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{571}}^1$

素因数の和:722

約数の個数: 32

約数和(自身を含む): 37559808

約数和(自身を除く): 17557678

約数列:

[1, 2, 5, 10, 31, 62, 113, 155, 226, 310, 565, 571, 1130, 1142, 2855, 3503, 5710, 7006, 17515, 17701, 35030, 35402, 64523, 88505, 129046, 177010, 322615, 645230, 2000213, 4000426, 10001065, 20002130]

約数ペア:

[(1, 20002130), (2, 10001065), (5, 4000426), (10, 2000213), (31, 645230), (62, 322615), (113, 177010), (155, 129046), (226, 88505), (310, 64523), (565, 35402), (571, 35030), (1130, 17701), (1142, 17515), (2855, 7006), (3503, 5710)]