20121571305

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2699}}^1\times {\mathrm{15061}}^1$

素因数の和:17782

約数の個数: 48

約数和(自身を含む): 38064686400

約数和(自身を除く): 17943115095

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 2699, 8097, 13495, 15061, 24291, 29689, 40485, 45183, 75305, 89067, 121455, 135549, 148445, 165671, 225915, 267201, 445335, 497013, 677745, 828355, 1336005, 1491039, 2485065, 7455195, 40649639, 121948917, 203248195, 365846751, 447146029, 609744585, 1341438087, 1829233755, 2235730145, 4024314261, 6707190435, 20121571305]

約数ペア:

[(1, 20121571305), (3, 6707190435), (5, 4024314261), (9, 2235730145), (11, 1829233755), (15, 1341438087), (33, 609744585), (45, 447146029), (55, 365846751), (99, 203248195), (165, 121948917), (495, 40649639), (2699, 7455195), (8097, 2485065), (13495, 1491039), (15061, 1336005), (24291, 828355), (29689, 677745), (40485, 497013), (45183, 445335), (75305, 267201), (89067, 225915), (121455, 165671), (135549, 148445)]