20120366040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{487}}^1\times {\mathrm{344291}}^1$

素因数の和:344792

約数の個数: 64

約数和(自身を含む): 60485218560

約数和(自身を除く): 40364852520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 487, 974, 1461, 1948, 2435, 2922, 3896, 4870, 5844, 7305, 9740, 11688, 14610, 19480, 29220, 58440, 344291, 688582, 1032873, 1377164, 1721455, 2065746, 2754328, 3442910, 4131492, 5164365, 6885820, 8262984, 10328730, 13771640, 20657460, 41314920, 167669717, 335339434, 503009151, 670678868, 838348585, 1006018302, 1341357736, 1676697170, 2012036604, 2515045755, 3353394340, 4024073208, 5030091510, 6706788680, 10060183020, 20120366040]

約数ペア:

[(1, 20120366040), (2, 10060183020), (3, 6706788680), (4, 5030091510), (5, 4024073208), (6, 3353394340), (8, 2515045755), (10, 2012036604), (12, 1676697170), (15, 1341357736), (20, 1006018302), (24, 838348585), (30, 670678868), (40, 503009151), (60, 335339434), (120, 167669717), (487, 41314920), (974, 20657460), (1461, 13771640), (1948, 10328730), (2435, 8262984), (2922, 6885820), (3896, 5164365), (4870, 4131492), (5844, 3442910), (7305, 2754328), (9740, 2065746), (11688, 1721455), (14610, 1377164), (19480, 1032873), (29220, 688582), (58440, 344291)]