20104687590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6791}}^1\times {\mathrm{7591}}^1$

素因数の和:14405

約数の個数: 64

約数和(自身を含む): 51977382912

約数和(自身を除く): 31872695322

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 6791, 7591, 13582, 15182, 20373, 22773, 33955, 37955, 40746, 45546, 67910, 75910, 88283, 98683, 101865, 113865, 176566, 197366, 203730, 227730, 264849, 296049, 441415, 493415, 529698, 592098, 882830, 986830, 1324245, 1480245, 2648490, 2960490, 51550481, 103100962, 154651443, 257752405, 309302886, 515504810, 670156253, 773257215, 1340312506, 1546514430, 2010468759, 3350781265, 4020937518, 6701562530, 10052343795, 20104687590]

約数ペア:

[(1, 20104687590), (2, 10052343795), (3, 6701562530), (5, 4020937518), (6, 3350781265), (10, 2010468759), (13, 1546514430), (15, 1340312506), (26, 773257215), (30, 670156253), (39, 515504810), (65, 309302886), (78, 257752405), (130, 154651443), (195, 103100962), (390, 51550481), (6791, 2960490), (7591, 2648490), (13582, 1480245), (15182, 1324245), (20373, 986830), (22773, 882830), (33955, 592098), (37955, 529698), (40746, 493415), (45546, 441415), (67910, 296049), (75910, 264849), (88283, 227730), (98683, 203730), (101865, 197366), (113865, 176566)]