20130450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{3121}}^1$

素因数の和:3179

約数の個数: 48

約数和(自身を含む): 51100896

約数和(自身を除く): 30970446

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 43, 50, 75, 86, 129, 150, 215, 258, 430, 645, 1075, 1290, 2150, 3121, 3225, 6242, 6450, 9363, 15605, 18726, 31210, 46815, 78025, 93630, 134203, 156050, 234075, 268406, 402609, 468150, 671015, 805218, 1342030, 2013045, 3355075, 4026090, 6710150, 10065225, 20130450]

約数ペア:

[(1, 20130450), (2, 10065225), (3, 6710150), (5, 4026090), (6, 3355075), (10, 2013045), (15, 1342030), (25, 805218), (30, 671015), (43, 468150), (50, 402609), (75, 268406), (86, 234075), (129, 156050), (150, 134203), (215, 93630), (258, 78025), (430, 46815), (645, 31210), (1075, 18726), (1290, 15605), (2150, 9363), (3121, 6450), (3225, 6242)]