20123847512960

素因数分解:

$2^7\times 5^1\times {\mathrm{103}}^1\times {\mathrm{305276813}}^1$

素因数の和:305276935

約数の個数: 64

約数和(自身を含む): 48575646643680

約数和(自身を除く): 28451799130720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 128, 160, 206, 320, 412, 515, 640, 824, 1030, 1648, 2060, 3296, 4120, 6592, 8240, 13184, 16480, 32960, 65920, 305276813, 610553626, 1221107252, 1526384065, 2442214504, 3052768130, 4884429008, 6105536260, 9768858016, 12211072520, 19537716032, 24422145040, 31443511739, 39075432064, 48844290080, 62887023478, 97688580160, 125774046956, 157217558695, 195377160320, 251548093912, 314435117390, 503096187824, 628870234780, 1006192375648, 1257740469560, 2012384751296, 2515480939120, 4024769502592, 5030961878240, 10061923756480, 20123847512960]

約数ペア:

[(1, 20123847512960), (2, 10061923756480), (4, 5030961878240), (5, 4024769502592), (8, 2515480939120), (10, 2012384751296), (16, 1257740469560), (20, 1006192375648), (32, 628870234780), (40, 503096187824), (64, 314435117390), (80, 251548093912), (103, 195377160320), (128, 157217558695), (160, 125774046956), (206, 97688580160), (320, 62887023478), (412, 48844290080), (515, 39075432064), (640, 31443511739), (824, 24422145040), (1030, 19537716032), (1648, 12211072520), (2060, 9768858016), (3296, 6105536260), (4120, 4884429008), (6592, 3052768130), (8240, 2442214504), (13184, 1526384065), (16480, 1221107252), (32960, 610553626), (65920, 305276813)]