20355543

素因数分解:

$3^4\times {\mathrm{13}}^2\times {\mathrm{1487}}^1$

素因数の和:1525

約数の個数: 30

約数和(自身を含む): 32948784

約数和(自身を除く): 12593241

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 169, 351, 507, 1053, 1487, 1521, 4461, 4563, 13383, 13689, 19331, 40149, 57993, 120447, 173979, 251303, 521937, 753909, 1565811, 2261727, 6785181, 20355543]

約数ペア:

[(1, 20355543), (3, 6785181), (9, 2261727), (13, 1565811), (27, 753909), (39, 521937), (81, 251303), (117, 173979), (169, 120447), (351, 57993), (507, 40149), (1053, 19331), (1487, 13689), (1521, 13383), (4461, 4563)]