20145055005

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2729}}^1\times {\mathrm{4001}}^1$

素因数の和:6782

約数の個数: 48

約数和(自身を含む): 35791806960

約数和(自身を除く): 15646751955

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845, 2729, 4001, 8187, 12003, 13645, 20005, 24561, 36009, 40935, 60015, 111889, 122805, 164041, 180045, 335667, 492123, 559445, 820205, 1007001, 1476369, 1678335, 2460615, 5035005, 7381845, 10918729, 32756187, 54593645, 98268561, 163780935, 447667889, 491342805, 1343003667, 2238339445, 4029011001, 6715018335, 20145055005]

約数ペア:

[(1, 20145055005), (3, 6715018335), (5, 4029011001), (9, 2238339445), (15, 1343003667), (41, 491342805), (45, 447667889), (123, 163780935), (205, 98268561), (369, 54593645), (615, 32756187), (1845, 10918729), (2729, 7381845), (4001, 5035005), (8187, 2460615), (12003, 1678335), (13645, 1476369), (20005, 1007001), (24561, 820205), (36009, 559445), (40935, 492123), (60015, 335667), (111889, 180045), (122805, 164041)]