20406882015

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3875951}}^1$

素因数の和:3875981

約数の個数: 40

約数和(自身を含む): 39395176128

約数和(自身を除く): 18988294113

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 351, 405, 585, 1053, 1755, 5265, 3875951, 11627853, 19379755, 34883559, 50387363, 58139265, 104650677, 151162089, 174417795, 251936815, 313952031, 453486267, 523253385, 755810445, 1360458801, 1569760155, 2267431335, 4081376403, 6802294005, 20406882015]

約数ペア:

[(1, 20406882015), (3, 6802294005), (5, 4081376403), (9, 2267431335), (13, 1569760155), (15, 1360458801), (27, 755810445), (39, 523253385), (45, 453486267), (65, 313952031), (81, 251936815), (117, 174417795), (135, 151162089), (195, 104650677), (351, 58139265), (405, 50387363), (585, 34883559), (1053, 19379755), (1755, 11627853), (5265, 3875951)]