20125424

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2789}}^1$

素因数の和:2849

約数の個数: 40

約数和(自身を含む): 43590960

約数和(自身を除く): 23465536

約数列:

[1, 2, 4, 8, 11, 16, 22, 41, 44, 82, 88, 164, 176, 328, 451, 656, 902, 1804, 2789, 3608, 5578, 7216, 11156, 22312, 30679, 44624, 61358, 114349, 122716, 228698, 245432, 457396, 490864, 914792, 1257839, 1829584, 2515678, 5031356, 10062712, 20125424]

約数ペア:

[(1, 20125424), (2, 10062712), (4, 5031356), (8, 2515678), (11, 1829584), (16, 1257839), (22, 914792), (41, 490864), (44, 457396), (82, 245432), (88, 228698), (164, 122716), (176, 114349), (328, 61358), (451, 44624), (656, 30679), (902, 22312), (1804, 11156), (2789, 7216), (3608, 5578)]