20221700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{367}}^1$

素因数の和:429

約数の個数: 72

約数和(自身を含む): 47913600

約数和(自身を除く): 27691900

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 29, 38, 50, 58, 76, 95, 100, 116, 145, 190, 290, 367, 380, 475, 551, 580, 725, 734, 950, 1102, 1450, 1468, 1835, 1900, 2204, 2755, 2900, 3670, 5510, 6973, 7340, 9175, 10643, 11020, 13775, 13946, 18350, 21286, 27550, 27892, 34865, 36700, 42572, 53215, 55100, 69730, 106430, 139460, 174325, 202217, 212860, 266075, 348650, 404434, 532150, 697300, 808868, 1011085, 1064300, 2022170, 4044340, 5055425, 10110850, 20221700]

約数ペア:

[(1, 20221700), (2, 10110850), (4, 5055425), (5, 4044340), (10, 2022170), (19, 1064300), (20, 1011085), (25, 808868), (29, 697300), (38, 532150), (50, 404434), (58, 348650), (76, 266075), (95, 212860), (100, 202217), (116, 174325), (145, 139460), (190, 106430), (290, 69730), (367, 55100), (380, 53215), (475, 42572), (551, 36700), (580, 34865), (725, 27892), (734, 27550), (950, 21286), (1102, 18350), (1450, 13946), (1468, 13775), (1835, 11020), (1900, 10643), (2204, 9175), (2755, 7340), (2900, 6973), (3670, 5510)]