20661676

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{12097}}^1$

素因数の和:12169

約数の個数: 24

約数和(自身を含む): 42004256

約数和(自身を除く): 21342580

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 12097, 24194, 48388, 84679, 169358, 338716, 737917, 1475834, 2951668, 5165419, 10330838, 20661676]

約数ペア:

[(1, 20661676), (2, 10330838), (4, 5165419), (7, 2951668), (14, 1475834), (28, 737917), (61, 338716), (122, 169358), (244, 84679), (427, 48388), (854, 24194), (1708, 12097)]