20622708

素因数分解:

$2^2\times 3^3\times {\mathrm{257}}^1\times {\mathrm{743}}^1$

素因数の和:1013

約数の個数: 48

約数和(自身を含む): 53746560

約数和(自身を除く): 33123852

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 257, 514, 743, 771, 1028, 1486, 1542, 2229, 2313, 2972, 3084, 4458, 4626, 6687, 6939, 8916, 9252, 13374, 13878, 20061, 26748, 27756, 40122, 80244, 190951, 381902, 572853, 763804, 1145706, 1718559, 2291412, 3437118, 5155677, 6874236, 10311354, 20622708]

約数ペア:

[(1, 20622708), (2, 10311354), (3, 6874236), (4, 5155677), (6, 3437118), (9, 2291412), (12, 1718559), (18, 1145706), (27, 763804), (36, 572853), (54, 381902), (108, 190951), (257, 80244), (514, 40122), (743, 27756), (771, 26748), (1028, 20061), (1486, 13878), (1542, 13374), (2229, 9252), (2313, 8916), (2972, 6939), (3084, 6687), (4458, 4626)]