20581644

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{907}}^1$

素因数の和:1006

約数の個数: 48

約数和(自身を含む): 50441216

約数和(自身を除く): 29859572

約数列:

[1, 2, 3, 4, 6, 12, 31, 61, 62, 93, 122, 124, 183, 186, 244, 366, 372, 732, 907, 1814, 1891, 2721, 3628, 3782, 5442, 5673, 7564, 10884, 11346, 22692, 28117, 55327, 56234, 84351, 110654, 112468, 165981, 168702, 221308, 331962, 337404, 663924, 1715137, 3430274, 5145411, 6860548, 10290822, 20581644]

約数ペア:

[(1, 20581644), (2, 10290822), (3, 6860548), (4, 5145411), (6, 3430274), (12, 1715137), (31, 663924), (61, 337404), (62, 331962), (93, 221308), (122, 168702), (124, 165981), (183, 112468), (186, 110654), (244, 84351), (366, 56234), (372, 55327), (732, 28117), (907, 22692), (1814, 11346), (1891, 10884), (2721, 7564), (3628, 5673), (3782, 5442)]