20361285

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1747}}^1$

素因数の和:1802

約数の個数: 48

約数和(自身を含む): 41448576

約数和(自身を除く): 21087291

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 37, 45, 63, 105, 111, 185, 259, 315, 333, 555, 777, 1295, 1665, 1747, 2331, 3885, 5241, 8735, 11655, 12229, 15723, 26205, 36687, 61145, 64639, 78615, 110061, 183435, 193917, 323195, 452473, 550305, 581751, 969585, 1357419, 2262365, 2908755, 4072257, 6787095, 20361285]

約数ペア:

[(1, 20361285), (3, 6787095), (5, 4072257), (7, 2908755), (9, 2262365), (15, 1357419), (21, 969585), (35, 581751), (37, 550305), (45, 452473), (63, 323195), (105, 193917), (111, 183435), (185, 110061), (259, 78615), (315, 64639), (333, 61145), (555, 36687), (777, 26205), (1295, 15723), (1665, 12229), (1747, 11655), (2331, 8735), (3885, 5241)]