20226920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:147

約数の個数: 128

約数和(自身を含む): 55987200

約数和(自身を除く): 35760280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 47, 53, 56, 58, 70, 94, 106, 116, 140, 145, 188, 203, 212, 232, 235, 265, 280, 290, 329, 371, 376, 406, 424, 470, 530, 580, 658, 742, 812, 940, 1015, 1060, 1160, 1316, 1363, 1484, 1537, 1624, 1645, 1855, 1880, 2030, 2120, 2491, 2632, 2726, 2968, 3074, 3290, 3710, 4060, 4982, 5452, 6148, 6580, 6815, 7420, 7685, 8120, 9541, 9964, 10759, 10904, 12296, 12455, 13160, 13630, 14840, 15370, 17437, 19082, 19928, 21518, 24910, 27260, 30740, 34874, 38164, 43036, 47705, 49820, 53795, 54520, 61480, 69748, 72239, 76328, 86072, 87185, 95410, 99640, 107590, 139496, 144478, 174370, 190820, 215180, 288956, 348740, 361195, 381640, 430360, 505673, 577912, 697480, 722390, 1011346, 1444780, 2022692, 2528365, 2889560, 4045384, 5056730, 10113460, 20226920]

約数ペア:

[(1, 20226920), (2, 10113460), (4, 5056730), (5, 4045384), (7, 2889560), (8, 2528365), (10, 2022692), (14, 1444780), (20, 1011346), (28, 722390), (29, 697480), (35, 577912), (40, 505673), (47, 430360), (53, 381640), (56, 361195), (58, 348740), (70, 288956), (94, 215180), (106, 190820), (116, 174370), (140, 144478), (145, 139496), (188, 107590), (203, 99640), (212, 95410), (232, 87185), (235, 86072), (265, 76328), (280, 72239), (290, 69748), (329, 61480), (371, 54520), (376, 53795), (406, 49820), (424, 47705), (470, 43036), (530, 38164), (580, 34874), (658, 30740), (742, 27260), (812, 24910), (940, 21518), (1015, 19928), (1060, 19082), (1160, 17437), (1316, 15370), (1363, 14840), (1484, 13630), (1537, 13160), (1624, 12455), (1645, 12296), (1855, 10904), (1880, 10759), (2030, 9964), (2120, 9541), (2491, 8120), (2632, 7685), (2726, 7420), (2968, 6815), (3074, 6580), (3290, 6148), (3710, 5452), (4060, 4982)]