20031791560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2678047}}^1$

素因数の和:2678086

約数の個数: 64

約数和(自身を含む): 52061253120

約数和(自身を除く): 32029461560

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 3740, 7480, 2678047, 5356094, 10712188, 13390235, 21424376, 26780470, 29458517, 45526799, 53560940, 58917034, 91053598, 107121880, 117834068, 147292585, 182107196, 227633995, 235668136, 294585170, 364214392, 455267990, 500794789, 589170340, 910535980, 1001589578, 1178340680, 1821071960, 2003179156, 2503973945, 4006358312, 5007947890, 10015895780, 20031791560]

約数ペア:

[(1, 20031791560), (2, 10015895780), (4, 5007947890), (5, 4006358312), (8, 2503973945), (10, 2003179156), (11, 1821071960), (17, 1178340680), (20, 1001589578), (22, 910535980), (34, 589170340), (40, 500794789), (44, 455267990), (55, 364214392), (68, 294585170), (85, 235668136), (88, 227633995), (110, 182107196), (136, 147292585), (170, 117834068), (187, 107121880), (220, 91053598), (340, 58917034), (374, 53560940), (440, 45526799), (680, 29458517), (748, 26780470), (935, 21424376), (1496, 13390235), (1870, 10712188), (3740, 5356094), (7480, 2678047)]