20210958990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2705617}}^1$

素因数の和:2705713

約数の個数: 48

約数和(自身を含む): 53181627408

約数和(自身を除く): 32970668418

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 83, 90, 166, 249, 415, 498, 747, 830, 1245, 1494, 2490, 3735, 7470, 2705617, 5411234, 8116851, 13528085, 16233702, 24350553, 27056170, 40584255, 48701106, 81168510, 121752765, 224566211, 243505530, 449132422, 673698633, 1122831055, 1347397266, 2021095899, 2245662110, 3368493165, 4042191798, 6736986330, 10105479495, 20210958990]

約数ペア:

[(1, 20210958990), (2, 10105479495), (3, 6736986330), (5, 4042191798), (6, 3368493165), (9, 2245662110), (10, 2021095899), (15, 1347397266), (18, 1122831055), (30, 673698633), (45, 449132422), (83, 243505530), (90, 224566211), (166, 121752765), (249, 81168510), (415, 48701106), (498, 40584255), (747, 27056170), (830, 24350553), (1245, 16233702), (1494, 13528085), (2490, 8116851), (3735, 5411234), (7470, 2705617)]