20945784

素因数分解:

$2^3\times 3^1\times {\mathrm{101}}^1\times {\mathrm{8641}}^1$

素因数の和:8751

約数の個数: 32

約数和(自身を含む): 52889040

約数和(自身を除く): 31943256

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 101, 202, 303, 404, 606, 808, 1212, 2424, 8641, 17282, 25923, 34564, 51846, 69128, 103692, 207384, 872741, 1745482, 2618223, 3490964, 5236446, 6981928, 10472892, 20945784]

約数ペア:

[(1, 20945784), (2, 10472892), (3, 6981928), (4, 5236446), (6, 3490964), (8, 2618223), (12, 1745482), (24, 872741), (101, 207384), (202, 103692), (303, 69128), (404, 51846), (606, 34564), (808, 25923), (1212, 17282), (2424, 8641)]