20243355

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1553}}^1$

素因数の和:1651

約数の個数: 32

約数和(自身を含む): 35804160

約数和(自身を除く): 15560805

約数列:

[1, 3, 5, 11, 15, 33, 55, 79, 165, 237, 395, 869, 1185, 1553, 2607, 4345, 4659, 7765, 13035, 17083, 23295, 51249, 85415, 122687, 256245, 368061, 613435, 1349557, 1840305, 4048671, 6747785, 20243355]

約数ペア:

[(1, 20243355), (3, 6747785), (5, 4048671), (11, 1840305), (15, 1349557), (33, 613435), (55, 368061), (79, 256245), (165, 122687), (237, 85415), (395, 51249), (869, 23295), (1185, 17083), (1553, 13035), (2607, 7765), (4345, 4659)]