20235933520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2090489}}^1$

素因数の和:2090524

約数の個数: 60

約数和(自身を含む): 51714541620

約数和(自身を除く): 31478608100

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2420, 4840, 9680, 2090489, 4180978, 8361956, 10452445, 16723912, 20904890, 22995379, 33447824, 41809780, 45990758, 83619560, 91981516, 114976895, 167239120, 183963032, 229953790, 252949169, 367926064, 459907580, 505898338, 919815160, 1011796676, 1264745845, 1839630320, 2023593352, 2529491690, 4047186704, 5058983380, 10117966760, 20235933520]

約数ペア:

[(1, 20235933520), (2, 10117966760), (4, 5058983380), (5, 4047186704), (8, 2529491690), (10, 2023593352), (11, 1839630320), (16, 1264745845), (20, 1011796676), (22, 919815160), (40, 505898338), (44, 459907580), (55, 367926064), (80, 252949169), (88, 229953790), (110, 183963032), (121, 167239120), (176, 114976895), (220, 91981516), (242, 83619560), (440, 45990758), (484, 41809780), (605, 33447824), (880, 22995379), (968, 20904890), (1210, 16723912), (1936, 10452445), (2420, 8361956), (4840, 4180978), (9680, 2090489)]