20993846111

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{106871}}^1$

素因数の和:107115

約数の個数: 24

約数和(自身を含む): 25828824960

約数和(自身を除く): 4834978849

約数列:

[1, 7, 19, 49, 133, 211, 931, 1477, 4009, 10339, 28063, 106871, 196441, 748097, 2030549, 5236679, 14213843, 22549781, 99496901, 157848467, 428445839, 1104939269, 2999120873, 20993846111]

約数ペア:

[(1, 20993846111), (7, 2999120873), (19, 1104939269), (49, 428445839), (133, 157848467), (211, 99496901), (931, 22549781), (1477, 14213843), (4009, 5236679), (10339, 2030549), (28063, 748097), (106871, 196441)]