20293065

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{373}}^1$

素因数の和:431

約数の個数: 64

約数和(自身を含む): 40212480

約数和(自身を除く): 19919415

約数列:

[1, 3, 5, 9, 13, 15, 27, 31, 39, 45, 65, 93, 117, 135, 155, 195, 279, 351, 373, 403, 465, 585, 837, 1119, 1209, 1395, 1755, 1865, 2015, 3357, 3627, 4185, 4849, 5595, 6045, 10071, 10881, 11563, 14547, 16785, 18135, 24245, 34689, 43641, 50355, 54405, 57815, 72735, 104067, 130923, 150319, 173445, 218205, 312201, 450957, 520335, 654615, 751595, 1352871, 1561005, 2254785, 4058613, 6764355, 20293065]

約数ペア:

[(1, 20293065), (3, 6764355), (5, 4058613), (9, 2254785), (13, 1561005), (15, 1352871), (27, 751595), (31, 654615), (39, 520335), (45, 450957), (65, 312201), (93, 218205), (117, 173445), (135, 150319), (155, 130923), (195, 104067), (279, 72735), (351, 57815), (373, 54405), (403, 50355), (465, 43641), (585, 34689), (837, 24245), (1119, 18135), (1209, 16785), (1395, 14547), (1755, 11563), (1865, 10881), (2015, 10071), (3357, 6045), (3627, 5595), (4185, 4849)]