201219380

素因数分解:

$2^2\times 5^1\times {\mathrm{2153}}^1\times {\mathrm{4673}}^1$

素因数の和:6835

約数の個数: 24

約数和(自身を含む): 422847432

約数和(自身を除く): 221628052

約数列:

[1, 2, 4, 5, 10, 20, 2153, 4306, 4673, 8612, 9346, 10765, 18692, 21530, 23365, 43060, 46730, 93460, 10060969, 20121938, 40243876, 50304845, 100609690, 201219380]

約数ペア:

[(1, 201219380), (2, 100609690), (4, 50304845), (5, 40243876), (10, 20121938), (20, 10060969), (2153, 93460), (4306, 46730), (4673, 43060), (8612, 23365), (9346, 21530), (10765, 18692)]