20980605636

素因数分解:

$2^2\times 3^3\times {\mathrm{163}}^1\times {\mathrm{1191809}}^1$

素因数の和:1191985

約数の個数: 48

約数和(自身を含む): 54727915200

約数和(自身を除く): 33747309564

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 163, 326, 489, 652, 978, 1467, 1956, 2934, 4401, 5868, 8802, 17604, 1191809, 2383618, 3575427, 4767236, 7150854, 10726281, 14301708, 21452562, 32178843, 42905124, 64357686, 128715372, 194264867, 388529734, 582794601, 777059468, 1165589202, 1748383803, 2331178404, 3496767606, 5245151409, 6993535212, 10490302818, 20980605636]

約数ペア:

[(1, 20980605636), (2, 10490302818), (3, 6993535212), (4, 5245151409), (6, 3496767606), (9, 2331178404), (12, 1748383803), (18, 1165589202), (27, 777059468), (36, 582794601), (54, 388529734), (108, 194264867), (163, 128715372), (326, 64357686), (489, 42905124), (652, 32178843), (978, 21452562), (1467, 14301708), (1956, 10726281), (2934, 7150854), (4401, 4767236), (5868, 3575427), (8802, 2383618), (17604, 1191809)]