20189850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{281}}^1\times {\mathrm{479}}^1$

素因数の和:775

約数の個数: 48

約数和(自身を含む): 50353920

約数和(自身を除く): 30164070

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 281, 479, 562, 843, 958, 1405, 1437, 1686, 2395, 2810, 2874, 4215, 4790, 7025, 7185, 8430, 11975, 14050, 14370, 21075, 23950, 35925, 42150, 71850, 134599, 269198, 403797, 672995, 807594, 1345990, 2018985, 3364975, 4037970, 6729950, 10094925, 20189850]

約数ペア:

[(1, 20189850), (2, 10094925), (3, 6729950), (5, 4037970), (6, 3364975), (10, 2018985), (15, 1345990), (25, 807594), (30, 672995), (50, 403797), (75, 269198), (150, 134599), (281, 71850), (479, 42150), (562, 35925), (843, 23950), (958, 21075), (1405, 14370), (1437, 14050), (1686, 11975), (2395, 8430), (2810, 7185), (2874, 7025), (4215, 4790)]