20982970

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{599}}^1$

素因数の和:750

約数の個数: 32

約数和(自身を含む): 39398400

約数和(自身を除く): 18415430

約数列:

[1, 2, 5, 10, 31, 62, 113, 155, 226, 310, 565, 599, 1130, 1198, 2995, 3503, 5990, 7006, 17515, 18569, 35030, 37138, 67687, 92845, 135374, 185690, 338435, 676870, 2098297, 4196594, 10491485, 20982970]

約数ペア:

[(1, 20982970), (2, 10491485), (5, 4196594), (10, 2098297), (31, 676870), (62, 338435), (113, 185690), (155, 135374), (226, 92845), (310, 67687), (565, 37138), (599, 35030), (1130, 18569), (1198, 17515), (2995, 7006), (3503, 5990)]