20343400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1321}}^1$

素因数の和:1355

約数の個数: 96

約数和(自身を含む): 59014080

約数和(自身を除く): 38670680

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, 1321, 1400, 1540, 1925, 2200, 2642, 3080, 3850, 5284, 6605, 7700, 9247, 10568, 13210, 14531, 15400, 18494, 26420, 29062, 33025, 36988, 46235, 52840, 58124, 66050, 72655, 73976, 92470, 101717, 116248, 132100, 145310, 184940, 203434, 231175, 264200, 290620, 363275, 369880, 406868, 462350, 508585, 581240, 726550, 813736, 924700, 1017170, 1453100, 1849400, 2034340, 2542925, 2906200, 4068680, 5085850, 10171700, 20343400]

約数ペア:

[(1, 20343400), (2, 10171700), (4, 5085850), (5, 4068680), (7, 2906200), (8, 2542925), (10, 2034340), (11, 1849400), (14, 1453100), (20, 1017170), (22, 924700), (25, 813736), (28, 726550), (35, 581240), (40, 508585), (44, 462350), (50, 406868), (55, 369880), (56, 363275), (70, 290620), (77, 264200), (88, 231175), (100, 203434), (110, 184940), (140, 145310), (154, 132100), (175, 116248), (200, 101717), (220, 92470), (275, 73976), (280, 72655), (308, 66050), (350, 58124), (385, 52840), (440, 46235), (550, 36988), (616, 33025), (700, 29062), (770, 26420), (1100, 18494), (1321, 15400), (1400, 14531), (1540, 13210), (1925, 10568), (2200, 9247), (2642, 7700), (3080, 6605), (3850, 5284)]