20454444340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2512831}}^1$

素因数の和:2512888

約数の個数: 48

約数和(自身を含む): 48125758464

約数和(自身を除く): 27671314124

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 2035, 4070, 8140, 2512831, 5025662, 10051324, 12564155, 25128310, 27641141, 50256620, 55282282, 92974747, 110564564, 138205705, 185949494, 276411410, 371898988, 464873735, 552822820, 929747470, 1022722217, 1859494940, 2045444434, 4090888868, 5113611085, 10227222170, 20454444340]

約数ペア:

[(1, 20454444340), (2, 10227222170), (4, 5113611085), (5, 4090888868), (10, 2045444434), (11, 1859494940), (20, 1022722217), (22, 929747470), (37, 552822820), (44, 464873735), (55, 371898988), (74, 276411410), (110, 185949494), (148, 138205705), (185, 110564564), (220, 92974747), (370, 55282282), (407, 50256620), (740, 27641141), (814, 25128310), (1628, 12564155), (2035, 10051324), (4070, 5025662), (8140, 2512831)]