20411340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3121}}^1$

素因数の和:3242

約数の個数: 48

約数和(自身を含む): 57694560

約数和(自身を除く): 37283220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 218, 327, 436, 545, 654, 1090, 1308, 1635, 2180, 3121, 3270, 6242, 6540, 9363, 12484, 15605, 18726, 31210, 37452, 46815, 62420, 93630, 187260, 340189, 680378, 1020567, 1360756, 1700945, 2041134, 3401890, 4082268, 5102835, 6803780, 10205670, 20411340]

約数ペア:

[(1, 20411340), (2, 10205670), (3, 6803780), (4, 5102835), (5, 4082268), (6, 3401890), (10, 2041134), (12, 1700945), (15, 1360756), (20, 1020567), (30, 680378), (60, 340189), (109, 187260), (218, 93630), (327, 62420), (436, 46815), (545, 37452), (654, 31210), (1090, 18726), (1308, 15605), (1635, 12484), (2180, 9363), (3121, 6540), (3270, 6242)]