20527672

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2621}}^1$

素因数の和:2727

約数の個数: 32

約数和(自身を含む): 42476400

約数和(自身を除く): 21948728

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 89, 178, 356, 712, 979, 1958, 2621, 3916, 5242, 7832, 10484, 20968, 28831, 57662, 115324, 230648, 233269, 466538, 933076, 1866152, 2565959, 5131918, 10263836, 20527672]

約数ペア:

[(1, 20527672), (2, 10263836), (4, 5131918), (8, 2565959), (11, 1866152), (22, 933076), (44, 466538), (88, 233269), (89, 230648), (178, 115324), (356, 57662), (712, 28831), (979, 20968), (1958, 10484), (2621, 7832), (3916, 5242)]