20946870

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{11083}}^1$

素因数の和:11106

約数の個数: 64

約数和(自身を含む): 63843840

約数和(自身を除く): 42896970

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 11083, 22166, 33249, 55415, 66498, 77581, 99747, 110830, 155162, 166245, 199494, 232743, 299241, 332490, 387905, 465486, 498735, 598482, 698229, 775810, 997470, 1163715, 1396458, 1496205, 2094687, 2327430, 2992410, 3491145, 4189374, 6982290, 10473435, 20946870]

約数ペア:

[(1, 20946870), (2, 10473435), (3, 6982290), (5, 4189374), (6, 3491145), (7, 2992410), (9, 2327430), (10, 2094687), (14, 1496205), (15, 1396458), (18, 1163715), (21, 997470), (27, 775810), (30, 698229), (35, 598482), (42, 498735), (45, 465486), (54, 387905), (63, 332490), (70, 299241), (90, 232743), (105, 199494), (126, 166245), (135, 155162), (189, 110830), (210, 99747), (270, 77581), (315, 66498), (378, 55415), (630, 33249), (945, 22166), (1890, 11083)]