20393384

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12197}}^1$

素因数の和:12233

約数の個数: 32

約数和(自身を含む): 43912800

約数和(自身を除く): 23519416

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 12197, 24394, 48788, 97576, 134167, 231743, 268334, 463486, 536668, 926972, 1073336, 1853944, 2549173, 5098346, 10196692, 20393384]

約数ペア:

[(1, 20393384), (2, 10196692), (4, 5098346), (8, 2549173), (11, 1853944), (19, 1073336), (22, 926972), (38, 536668), (44, 463486), (76, 268334), (88, 231743), (152, 134167), (209, 97576), (418, 48788), (836, 24394), (1672, 12197)]