20623148

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1069}}^1$

素因数の和:1146

約数の個数: 48

約数和(自身を含む): 45299520

約数和(自身を除く): 24676372

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 53, 91, 106, 182, 212, 364, 371, 689, 742, 1069, 1378, 1484, 2138, 2756, 4276, 4823, 7483, 9646, 13897, 14966, 19292, 27794, 29932, 55588, 56657, 97279, 113314, 194558, 226628, 389116, 396599, 736541, 793198, 1473082, 1586396, 2946164, 5155787, 10311574, 20623148]

約数ペア:

[(1, 20623148), (2, 10311574), (4, 5155787), (7, 2946164), (13, 1586396), (14, 1473082), (26, 793198), (28, 736541), (52, 396599), (53, 389116), (91, 226628), (106, 194558), (182, 113314), (212, 97279), (364, 56657), (371, 55588), (689, 29932), (742, 27794), (1069, 19292), (1378, 14966), (1484, 13897), (2138, 9646), (2756, 7483), (4276, 4823)]