20212236

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1187}}^1$

素因数の和:1251

約数の個数: 72

約数和(自身を含む): 57081024

約数和(自身を除く): 36868788

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 43, 44, 66, 86, 99, 129, 132, 172, 198, 258, 387, 396, 473, 516, 774, 946, 1187, 1419, 1548, 1892, 2374, 2838, 3561, 4257, 4748, 5676, 7122, 8514, 10683, 13057, 14244, 17028, 21366, 26114, 39171, 42732, 51041, 52228, 78342, 102082, 117513, 153123, 156684, 204164, 235026, 306246, 459369, 470052, 561451, 612492, 918738, 1122902, 1684353, 1837476, 2245804, 3368706, 5053059, 6737412, 10106118, 20212236]

約数ペア:

[(1, 20212236), (2, 10106118), (3, 6737412), (4, 5053059), (6, 3368706), (9, 2245804), (11, 1837476), (12, 1684353), (18, 1122902), (22, 918738), (33, 612492), (36, 561451), (43, 470052), (44, 459369), (66, 306246), (86, 235026), (99, 204164), (129, 156684), (132, 153123), (172, 117513), (198, 102082), (258, 78342), (387, 52228), (396, 51041), (473, 42732), (516, 39171), (774, 26114), (946, 21366), (1187, 17028), (1419, 14244), (1548, 13057), (1892, 10683), (2374, 8514), (2838, 7122), (3561, 5676), (4257, 4748)]