20068425

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2287}}^1$

素因数の和:2319

約数の個数: 48

約数和(自身を含む): 39719680

約数和(自身を除く): 19651255

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 117, 135, 195, 225, 325, 351, 585, 675, 975, 1755, 2287, 2925, 6861, 8775, 11435, 20583, 29731, 34305, 57175, 61749, 89193, 102915, 148655, 171525, 267579, 308745, 445965, 514575, 743275, 802737, 1337895, 1543725, 2229825, 4013685, 6689475, 20068425]

約数ペア:

[(1, 20068425), (3, 6689475), (5, 4013685), (9, 2229825), (13, 1543725), (15, 1337895), (25, 802737), (27, 743275), (39, 514575), (45, 445965), (65, 308745), (75, 267579), (117, 171525), (135, 148655), (195, 102915), (225, 89193), (325, 61749), (351, 57175), (585, 34305), (675, 29731), (975, 20583), (1755, 11435), (2287, 8775), (2925, 6861)]