20714085

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3461}}^1$

素因数の和:3498

約数の個数: 48

約数和(自身を含む): 43205760

約数和(自身を除く): 22491675

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 399, 665, 855, 1197, 1995, 3461, 5985, 10383, 17305, 24227, 31149, 51915, 65759, 72681, 121135, 155745, 197277, 218043, 328795, 363405, 460313, 591831, 986385, 1090215, 1380939, 2301565, 2959155, 4142817, 6904695, 20714085]

約数ペア:

[(1, 20714085), (3, 6904695), (5, 4142817), (7, 2959155), (9, 2301565), (15, 1380939), (19, 1090215), (21, 986385), (35, 591831), (45, 460313), (57, 363405), (63, 328795), (95, 218043), (105, 197277), (133, 155745), (171, 121135), (285, 72681), (315, 65759), (399, 51915), (665, 31149), (855, 24227), (1197, 17305), (1995, 10383), (3461, 5985)]