20953320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{283}}^1\times {\mathrm{617}}^1$

素因数の和:914

約数の個数: 64

約数和(自身を含む): 63184320

約数和(自身を除く): 42231000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 283, 566, 617, 849, 1132, 1234, 1415, 1698, 1851, 2264, 2468, 2830, 3085, 3396, 3702, 4245, 4936, 5660, 6170, 6792, 7404, 8490, 9255, 11320, 12340, 14808, 16980, 18510, 24680, 33960, 37020, 74040, 174611, 349222, 523833, 698444, 873055, 1047666, 1396888, 1746110, 2095332, 2619165, 3492220, 4190664, 5238330, 6984440, 10476660, 20953320]

約数ペア:

[(1, 20953320), (2, 10476660), (3, 6984440), (4, 5238330), (5, 4190664), (6, 3492220), (8, 2619165), (10, 2095332), (12, 1746110), (15, 1396888), (20, 1047666), (24, 873055), (30, 698444), (40, 523833), (60, 349222), (120, 174611), (283, 74040), (566, 37020), (617, 33960), (849, 24680), (1132, 18510), (1234, 16980), (1415, 14808), (1698, 12340), (1851, 11320), (2264, 9255), (2468, 8490), (2830, 7404), (3085, 6792), (3396, 6170), (3702, 5660), (4245, 4936)]