20154674720

素因数分解:

$2^5\times 5^1\times {\mathrm{229}}^1\times {\mathrm{550073}}^1$

素因数の和:550317

約数の個数: 48

約数和(自身を含む): 47823433560

約数和(自身を除く): 27668758840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 229, 458, 916, 1145, 1832, 2290, 3664, 4580, 7328, 9160, 18320, 36640, 550073, 1100146, 2200292, 2750365, 4400584, 5500730, 8801168, 11001460, 17602336, 22002920, 44005840, 88011680, 125966717, 251933434, 503866868, 629833585, 1007733736, 1259667170, 2015467472, 2519334340, 4030934944, 5038668680, 10077337360, 20154674720]

約数ペア:

[(1, 20154674720), (2, 10077337360), (4, 5038668680), (5, 4030934944), (8, 2519334340), (10, 2015467472), (16, 1259667170), (20, 1007733736), (32, 629833585), (40, 503866868), (80, 251933434), (160, 125966717), (229, 88011680), (458, 44005840), (916, 22002920), (1145, 17602336), (1832, 11001460), (2290, 8801168), (3664, 5500730), (4580, 4400584), (7328, 2750365), (9160, 2200292), (18320, 1100146), (36640, 550073)]