20010315

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1153}}^1$

素因数の和:1263

約数の個数: 32

約数和(自身を含む): 34896960

約数和(自身を除く): 14886645

約数列:

[1, 3, 5, 13, 15, 39, 65, 89, 195, 267, 445, 1153, 1157, 1335, 3459, 3471, 5765, 5785, 14989, 17295, 17355, 44967, 74945, 102617, 224835, 307851, 513085, 1334021, 1539255, 4002063, 6670105, 20010315]

約数ペア:

[(1, 20010315), (3, 6670105), (5, 4002063), (13, 1539255), (15, 1334021), (39, 513085), (65, 307851), (89, 224835), (195, 102617), (267, 74945), (445, 44967), (1153, 17355), (1157, 17295), (1335, 14989), (3459, 5785), (3471, 5765)]