20163947274

素因数分解:

$2^1\times 3^3\times {\mathrm{163}}^1\times {\mathrm{521}}^1\times {\mathrm{4397}}^1$

素因数の和:5092

約数の個数: 64

約数和(自身を含む): 45180478080

約数和(自身を除く): 25016530806

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 163, 326, 489, 521, 978, 1042, 1467, 1563, 2934, 3126, 4397, 4401, 4689, 8794, 8802, 9378, 13191, 14067, 26382, 28134, 39573, 79146, 84923, 118719, 169846, 237438, 254769, 509538, 716711, 764307, 1433422, 1528614, 2150133, 2290837, 2292921, 4300266, 4581674, 4585842, 6450399, 6872511, 12900798, 13745022, 19351197, 20617533, 38702394, 41235066, 61852599, 123705198, 373406431, 746812862, 1120219293, 2240438586, 3360657879, 6721315758, 10081973637, 20163947274]

約数ペア:

[(1, 20163947274), (2, 10081973637), (3, 6721315758), (6, 3360657879), (9, 2240438586), (18, 1120219293), (27, 746812862), (54, 373406431), (163, 123705198), (326, 61852599), (489, 41235066), (521, 38702394), (978, 20617533), (1042, 19351197), (1467, 13745022), (1563, 12900798), (2934, 6872511), (3126, 6450399), (4397, 4585842), (4401, 4581674), (4689, 4300266), (8794, 2292921), (8802, 2290837), (9378, 2150133), (13191, 1528614), (14067, 1433422), (26382, 764307), (28134, 716711), (39573, 509538), (79146, 254769), (84923, 237438), (118719, 169846)]