20471340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1259}}^1$

素因数の和:1542

約数の個数: 48

約数和(自身を含む): 57576960

約数和(自身を除く): 37105620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 271, 542, 813, 1084, 1259, 1355, 1626, 2518, 2710, 3252, 3777, 4065, 5036, 5420, 6295, 7554, 8130, 12590, 15108, 16260, 18885, 25180, 37770, 75540, 341189, 682378, 1023567, 1364756, 1705945, 2047134, 3411890, 4094268, 5117835, 6823780, 10235670, 20471340]

約数ペア:

[(1, 20471340), (2, 10235670), (3, 6823780), (4, 5117835), (5, 4094268), (6, 3411890), (10, 2047134), (12, 1705945), (15, 1364756), (20, 1023567), (30, 682378), (60, 341189), (271, 75540), (542, 37770), (813, 25180), (1084, 18885), (1259, 16260), (1355, 15108), (1626, 12590), (2518, 8130), (2710, 7554), (3252, 6295), (3777, 5420), (4065, 5036)]