20837796

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{691}}^1$

素因数の和:1064

約数の個数: 48

約数和(自身を含む): 55802880

約数和(自身を除く): 34965084

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 359, 691, 718, 1077, 1382, 1436, 2073, 2154, 2513, 2764, 4146, 4308, 4837, 5026, 7539, 8292, 9674, 10052, 14511, 15078, 19348, 29022, 30156, 58044, 248069, 496138, 744207, 992276, 1488414, 1736483, 2976828, 3472966, 5209449, 6945932, 10418898, 20837796]

約数ペア:

[(1, 20837796), (2, 10418898), (3, 6945932), (4, 5209449), (6, 3472966), (7, 2976828), (12, 1736483), (14, 1488414), (21, 992276), (28, 744207), (42, 496138), (84, 248069), (359, 58044), (691, 30156), (718, 29022), (1077, 19348), (1382, 15078), (1436, 14511), (2073, 10052), (2154, 9674), (2513, 8292), (2764, 7539), (4146, 5026), (4308, 4837)]