20020845

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1237}}^1$

素因数の和:1341

約数の個数: 32

約数和(自身を含む): 34941312

約数和(自身を除く): 14920467

約数列:

[1, 3, 5, 13, 15, 39, 65, 83, 195, 249, 415, 1079, 1237, 1245, 3237, 3711, 5395, 6185, 16081, 16185, 18555, 48243, 80405, 102671, 241215, 308013, 513355, 1334723, 1540065, 4004169, 6673615, 20020845]

約数ペア:

[(1, 20020845), (3, 6673615), (5, 4004169), (13, 1540065), (15, 1334723), (39, 513355), (65, 308013), (83, 241215), (195, 102671), (249, 80405), (415, 48243), (1079, 18555), (1237, 16185), (1245, 16081), (3237, 6185), (3711, 5395)]