20184839997

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3307}}^1\times {\mathrm{12637}}^1$

素因数の和:15977

約数の個数: 32

約数和(自身を含む): 32107395072

約数和(自身を除く): 11922555075

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 3307, 9921, 12637, 23149, 37911, 69447, 76061, 88459, 228183, 265377, 290651, 532427, 871953, 1597281, 2034557, 6103671, 41790559, 125371677, 292533913, 877601739, 961182857, 2883548571, 6728279999, 20184839997]

約数ペア:

[(1, 20184839997), (3, 6728279999), (7, 2883548571), (21, 961182857), (23, 877601739), (69, 292533913), (161, 125371677), (483, 41790559), (3307, 6103671), (9921, 2034557), (12637, 1597281), (23149, 871953), (37911, 532427), (69447, 290651), (76061, 265377), (88459, 228183)]