20844600

素因数分解:

$2^3\times 3^1\times 5^2\times 7^2\times {\mathrm{709}}^1$

素因数の和:742

約数の個数: 144

約数和(自身を含む): 75274200

約数和(自身を除く): 54429600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 49, 50, 56, 60, 70, 75, 84, 98, 100, 105, 120, 140, 147, 150, 168, 175, 196, 200, 210, 245, 280, 294, 300, 350, 392, 420, 490, 525, 588, 600, 700, 709, 735, 840, 980, 1050, 1176, 1225, 1400, 1418, 1470, 1960, 2100, 2127, 2450, 2836, 2940, 3545, 3675, 4200, 4254, 4900, 4963, 5672, 5880, 7090, 7350, 8508, 9800, 9926, 10635, 14180, 14700, 14889, 17016, 17725, 19852, 21270, 24815, 28360, 29400, 29778, 34741, 35450, 39704, 42540, 49630, 53175, 59556, 69482, 70900, 74445, 85080, 99260, 104223, 106350, 119112, 124075, 138964, 141800, 148890, 173705, 198520, 208446, 212700, 248150, 277928, 297780, 347410, 372225, 416892, 425400, 496300, 521115, 595560, 694820, 744450, 833784, 868525, 992600, 1042230, 1389640, 1488900, 1737050, 2084460, 2605575, 2977800, 3474100, 4168920, 5211150, 6948200, 10422300, 20844600]

約数ペア:

[(1, 20844600), (2, 10422300), (3, 6948200), (4, 5211150), (5, 4168920), (6, 3474100), (7, 2977800), (8, 2605575), (10, 2084460), (12, 1737050), (14, 1488900), (15, 1389640), (20, 1042230), (21, 992600), (24, 868525), (25, 833784), (28, 744450), (30, 694820), (35, 595560), (40, 521115), (42, 496300), (49, 425400), (50, 416892), (56, 372225), (60, 347410), (70, 297780), (75, 277928), (84, 248150), (98, 212700), (100, 208446), (105, 198520), (120, 173705), (140, 148890), (147, 141800), (150, 138964), (168, 124075), (175, 119112), (196, 106350), (200, 104223), (210, 99260), (245, 85080), (280, 74445), (294, 70900), (300, 69482), (350, 59556), (392, 53175), (420, 49630), (490, 42540), (525, 39704), (588, 35450), (600, 34741), (700, 29778), (709, 29400), (735, 28360), (840, 24815), (980, 21270), (1050, 19852), (1176, 17725), (1225, 17016), (1400, 14889), (1418, 14700), (1470, 14180), (1960, 10635), (2100, 9926), (2127, 9800), (2450, 8508), (2836, 7350), (2940, 7090), (3545, 5880), (3675, 5672), (4200, 4963), (4254, 4900)]