20993456

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1181}}^1$

素因数の和:1301

約数の個数: 40

約数和(自身を含む): 44849808

約数和(自身を除く): 23856352

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 101, 176, 202, 404, 808, 1111, 1181, 1616, 2222, 2362, 4444, 4724, 8888, 9448, 12991, 17776, 18896, 25982, 51964, 103928, 119281, 207856, 238562, 477124, 954248, 1312091, 1908496, 2624182, 5248364, 10496728, 20993456]

約数ペア:

[(1, 20993456), (2, 10496728), (4, 5248364), (8, 2624182), (11, 1908496), (16, 1312091), (22, 954248), (44, 477124), (88, 238562), (101, 207856), (176, 119281), (202, 103928), (404, 51964), (808, 25982), (1111, 18896), (1181, 17776), (1616, 12991), (2222, 9448), (2362, 8888), (4444, 4724)]