20658183

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2441}}^1$

素因数の和:2495

約数の個数: 32

約数和(自身を含む): 35008512

約数和(自身を除く): 14350329

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 217, 273, 403, 651, 1209, 2441, 2821, 7323, 8463, 17087, 31733, 51261, 75671, 95199, 222131, 227013, 529697, 666393, 983723, 1589091, 2951169, 6886061, 20658183]

約数ペア:

[(1, 20658183), (3, 6886061), (7, 2951169), (13, 1589091), (21, 983723), (31, 666393), (39, 529697), (91, 227013), (93, 222131), (217, 95199), (273, 75671), (403, 51261), (651, 31733), (1209, 17087), (2441, 8463), (2821, 7323)]