20903766

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{1019}}^1$

素因数の和:1300

約数の個数: 32

約数和(自身を含む): 45239040

約数和(自身を除く): 24335274

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 263, 526, 789, 1019, 1578, 2038, 3057, 3419, 6114, 6838, 10257, 13247, 20514, 26494, 39741, 79482, 267997, 535994, 803991, 1607982, 3483961, 6967922, 10451883, 20903766]

約数ペア:

[(1, 20903766), (2, 10451883), (3, 6967922), (6, 3483961), (13, 1607982), (26, 803991), (39, 535994), (78, 267997), (263, 79482), (526, 39741), (789, 26494), (1019, 20514), (1578, 13247), (2038, 10257), (3057, 6838), (3419, 6114)]