20127800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1307}}^1$

素因数の和:1341

約数の個数: 96

約数和(自身を含む): 58389120

約数和(自身を除く): 38261320

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 25, 28, 35, 40, 44, 50, 55, 56, 70, 77, 88, 100, 110, 140, 154, 175, 200, 220, 275, 280, 308, 350, 385, 440, 550, 616, 700, 770, 1100, 1307, 1400, 1540, 1925, 2200, 2614, 3080, 3850, 5228, 6535, 7700, 9149, 10456, 13070, 14377, 15400, 18298, 26140, 28754, 32675, 36596, 45745, 52280, 57508, 65350, 71885, 73192, 91490, 100639, 115016, 130700, 143770, 182980, 201278, 228725, 261400, 287540, 359425, 365960, 402556, 457450, 503195, 575080, 718850, 805112, 914900, 1006390, 1437700, 1829800, 2012780, 2515975, 2875400, 4025560, 5031950, 10063900, 20127800]

約数ペア:

[(1, 20127800), (2, 10063900), (4, 5031950), (5, 4025560), (7, 2875400), (8, 2515975), (10, 2012780), (11, 1829800), (14, 1437700), (20, 1006390), (22, 914900), (25, 805112), (28, 718850), (35, 575080), (40, 503195), (44, 457450), (50, 402556), (55, 365960), (56, 359425), (70, 287540), (77, 261400), (88, 228725), (100, 201278), (110, 182980), (140, 143770), (154, 130700), (175, 115016), (200, 100639), (220, 91490), (275, 73192), (280, 71885), (308, 65350), (350, 57508), (385, 52280), (440, 45745), (550, 36596), (616, 32675), (700, 28754), (770, 26140), (1100, 18298), (1307, 15400), (1400, 14377), (1540, 13070), (1925, 10456), (2200, 9149), (2614, 7700), (3080, 6535), (3850, 5228)]