20336320

素因数分解:

$2^6\times 5^1\times {\mathrm{103}}^1\times {\mathrm{617}}^1$

素因数の和:737

約数の個数: 56

約数和(自身を含む): 48975264

約数和(自身を除く): 28638944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 160, 206, 320, 412, 515, 617, 824, 1030, 1234, 1648, 2060, 2468, 3085, 3296, 4120, 4936, 6170, 6592, 8240, 9872, 12340, 16480, 19744, 24680, 32960, 39488, 49360, 63551, 98720, 127102, 197440, 254204, 317755, 508408, 635510, 1016816, 1271020, 2033632, 2542040, 4067264, 5084080, 10168160, 20336320]

約数ペア:

[(1, 20336320), (2, 10168160), (4, 5084080), (5, 4067264), (8, 2542040), (10, 2033632), (16, 1271020), (20, 1016816), (32, 635510), (40, 508408), (64, 317755), (80, 254204), (103, 197440), (160, 127102), (206, 98720), (320, 63551), (412, 49360), (515, 39488), (617, 32960), (824, 24680), (1030, 19744), (1234, 16480), (1648, 12340), (2060, 9872), (2468, 8240), (3085, 6592), (3296, 6170), (4120, 4936)]