20696172

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{6659}}^1$

素因数の和:6710

約数の個数: 48

約数和(自身を含む): 56689920

約数和(自身を除く): 35993748

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 74, 84, 111, 148, 222, 259, 444, 518, 777, 1036, 1554, 3108, 6659, 13318, 19977, 26636, 39954, 46613, 79908, 93226, 139839, 186452, 246383, 279678, 492766, 559356, 739149, 985532, 1478298, 1724681, 2956596, 3449362, 5174043, 6898724, 10348086, 20696172]

約数ペア:

[(1, 20696172), (2, 10348086), (3, 6898724), (4, 5174043), (6, 3449362), (7, 2956596), (12, 1724681), (14, 1478298), (21, 985532), (28, 739149), (37, 559356), (42, 492766), (74, 279678), (84, 246383), (111, 186452), (148, 139839), (222, 93226), (259, 79908), (444, 46613), (518, 39954), (777, 26636), (1036, 19977), (1554, 13318), (3108, 6659)]