20534520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{811}}^1$

素因数の和:1036

約数の個数: 64

約数和(自身を含む): 61971840

約数和(自身を除く): 41437320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 211, 422, 633, 811, 844, 1055, 1266, 1622, 1688, 2110, 2433, 2532, 3165, 3244, 4055, 4220, 4866, 5064, 6330, 6488, 8110, 8440, 9732, 12165, 12660, 16220, 19464, 24330, 25320, 32440, 48660, 97320, 171121, 342242, 513363, 684484, 855605, 1026726, 1368968, 1711210, 2053452, 2566815, 3422420, 4106904, 5133630, 6844840, 10267260, 20534520]

約数ペア:

[(1, 20534520), (2, 10267260), (3, 6844840), (4, 5133630), (5, 4106904), (6, 3422420), (8, 2566815), (10, 2053452), (12, 1711210), (15, 1368968), (20, 1026726), (24, 855605), (30, 684484), (40, 513363), (60, 342242), (120, 171121), (211, 97320), (422, 48660), (633, 32440), (811, 25320), (844, 24330), (1055, 19464), (1266, 16220), (1622, 12660), (1688, 12165), (2110, 9732), (2433, 8440), (2532, 8110), (3165, 6488), (3244, 6330), (4055, 5064), (4220, 4866)]