20658372

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{743}}^1$

素因数の和:1088

約数の個数: 48

約数和(自身を含む): 55329792

約数和(自身を除く): 34671420

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 331, 662, 743, 993, 1324, 1486, 1986, 2229, 2317, 2972, 3972, 4458, 4634, 5201, 6951, 8916, 9268, 10402, 13902, 15603, 20804, 27804, 31206, 62412, 245933, 491866, 737799, 983732, 1475598, 1721531, 2951196, 3443062, 5164593, 6886124, 10329186, 20658372]

約数ペア:

[(1, 20658372), (2, 10329186), (3, 6886124), (4, 5164593), (6, 3443062), (7, 2951196), (12, 1721531), (14, 1475598), (21, 983732), (28, 737799), (42, 491866), (84, 245933), (331, 62412), (662, 31206), (743, 27804), (993, 20804), (1324, 15603), (1486, 13902), (1986, 10402), (2229, 9268), (2317, 8916), (2972, 6951), (3972, 5201), (4458, 4634)]