20451330

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1019}}^1$

素因数の和:1255

約数の個数: 48

約数和(自身を含む): 53464320

約数和(自身を除く): 33012990

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 223, 446, 669, 1019, 1115, 1338, 2007, 2038, 2230, 3057, 3345, 4014, 5095, 6114, 6690, 9171, 10035, 10190, 15285, 18342, 20070, 30570, 45855, 91710, 227237, 454474, 681711, 1136185, 1363422, 2045133, 2272370, 3408555, 4090266, 6817110, 10225665, 20451330]

約数ペア:

[(1, 20451330), (2, 10225665), (3, 6817110), (5, 4090266), (6, 3408555), (9, 2272370), (10, 2045133), (15, 1363422), (18, 1136185), (30, 681711), (45, 454474), (90, 227237), (223, 91710), (446, 45855), (669, 30570), (1019, 20070), (1115, 18342), (1338, 15285), (2007, 10190), (2038, 10035), (2230, 9171), (3057, 6690), (3345, 6114), (4014, 5095)]