20004160

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5683}}^1$

素因数の和:5711

約数の個数: 56

約数和(自身を含む): 51974496

約数和(自身を除く): 31970336

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 5683, 11366, 22732, 28415, 45464, 56830, 62513, 90928, 113660, 125026, 181856, 227320, 250052, 312565, 363712, 454640, 500104, 625130, 909280, 1000208, 1250260, 1818560, 2000416, 2500520, 4000832, 5001040, 10002080, 20004160]

約数ペア:

[(1, 20004160), (2, 10002080), (4, 5001040), (5, 4000832), (8, 2500520), (10, 2000416), (11, 1818560), (16, 1250260), (20, 1000208), (22, 909280), (32, 625130), (40, 500104), (44, 454640), (55, 363712), (64, 312565), (80, 250052), (88, 227320), (110, 181856), (160, 125026), (176, 113660), (220, 90928), (320, 62513), (352, 56830), (440, 45464), (704, 28415), (880, 22732), (1760, 11366), (3520, 5683)]