20451972

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{631}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 49761152

約数和(自身を除く): 29309180

約数列:

[1, 2, 3, 4, 6, 12, 37, 73, 74, 111, 146, 148, 219, 222, 292, 438, 444, 631, 876, 1262, 1893, 2524, 2701, 3786, 5402, 7572, 8103, 10804, 16206, 23347, 32412, 46063, 46694, 70041, 92126, 93388, 138189, 140082, 184252, 276378, 280164, 552756, 1704331, 3408662, 5112993, 6817324, 10225986, 20451972]

約数ペア:

[(1, 20451972), (2, 10225986), (3, 6817324), (4, 5112993), (6, 3408662), (12, 1704331), (37, 552756), (73, 280164), (74, 276378), (111, 184252), (146, 140082), (148, 138189), (219, 93388), (222, 92126), (292, 70041), (438, 46694), (444, 46063), (631, 32412), (876, 23347), (1262, 16206), (1893, 10804), (2524, 8103), (2701, 7572), (3786, 5402)]