20709612

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:300

約数の個数: 144

約数和(自身を含む): 67651584

約数和(自身を除く): 46941972

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 31, 33, 36, 42, 44, 62, 63, 66, 77, 84, 93, 99, 124, 126, 132, 154, 186, 198, 217, 231, 241, 252, 279, 308, 341, 372, 396, 434, 462, 482, 558, 651, 682, 693, 723, 868, 924, 964, 1023, 1116, 1302, 1364, 1386, 1446, 1687, 1953, 2046, 2169, 2387, 2604, 2651, 2772, 2892, 3069, 3374, 3906, 4092, 4338, 4774, 5061, 5302, 6138, 6748, 7161, 7471, 7812, 7953, 8676, 9548, 10122, 10604, 12276, 14322, 14942, 15183, 15906, 18557, 20244, 21483, 22413, 23859, 28644, 29884, 30366, 31812, 37114, 42966, 44826, 47718, 52297, 55671, 60732, 67239, 74228, 82181, 85932, 89652, 95436, 104594, 111342, 134478, 156891, 164362, 167013, 209188, 222684, 246543, 268956, 313782, 328724, 334026, 470673, 493086, 575267, 627564, 668052, 739629, 941346, 986172, 1150534, 1479258, 1725801, 1882692, 2301068, 2958516, 3451602, 5177403, 6903204, 10354806, 20709612]

約数ペア:

[(1, 20709612), (2, 10354806), (3, 6903204), (4, 5177403), (6, 3451602), (7, 2958516), (9, 2301068), (11, 1882692), (12, 1725801), (14, 1479258), (18, 1150534), (21, 986172), (22, 941346), (28, 739629), (31, 668052), (33, 627564), (36, 575267), (42, 493086), (44, 470673), (62, 334026), (63, 328724), (66, 313782), (77, 268956), (84, 246543), (93, 222684), (99, 209188), (124, 167013), (126, 164362), (132, 156891), (154, 134478), (186, 111342), (198, 104594), (217, 95436), (231, 89652), (241, 85932), (252, 82181), (279, 74228), (308, 67239), (341, 60732), (372, 55671), (396, 52297), (434, 47718), (462, 44826), (482, 42966), (558, 37114), (651, 31812), (682, 30366), (693, 29884), (723, 28644), (868, 23859), (924, 22413), (964, 21483), (1023, 20244), (1116, 18557), (1302, 15906), (1364, 15183), (1386, 14942), (1446, 14322), (1687, 12276), (1953, 10604), (2046, 10122), (2169, 9548), (2387, 8676), (2604, 7953), (2651, 7812), (2772, 7471), (2892, 7161), (3069, 6748), (3374, 6138), (3906, 5302), (4092, 5061), (4338, 4774)]