20121943150

素因数分解:

$2^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{1453}}^1$

素因数の和:1666

約数の個数: 96

約数和(自身を含む): 39255487488

約数和(自身を除く): 19133544338

約数列:

[1, 2, 5, 10, 25, 47, 50, 71, 83, 94, 142, 166, 235, 355, 415, 470, 710, 830, 1175, 1453, 1775, 2075, 2350, 2906, 3337, 3550, 3901, 4150, 5893, 6674, 7265, 7802, 11786, 14530, 16685, 19505, 29465, 33370, 36325, 39010, 58930, 68291, 72650, 83425, 97525, 103163, 120599, 136582, 147325, 166850, 195050, 206326, 241198, 276971, 294650, 341455, 515815, 553942, 602995, 682910, 1031630, 1205990, 1384855, 1707275, 2579075, 2769710, 3014975, 3414550, 4848661, 5158150, 5668153, 6029950, 6924275, 8562529, 9697322, 11336306, 13848550, 17125058, 24243305, 28340765, 42812645, 48486610, 56681530, 85625290, 121216525, 141703825, 214063225, 242433050, 283407650, 402438863, 428126450, 804877726, 2012194315, 4024388630, 10060971575, 20121943150]

約数ペア:

[(1, 20121943150), (2, 10060971575), (5, 4024388630), (10, 2012194315), (25, 804877726), (47, 428126450), (50, 402438863), (71, 283407650), (83, 242433050), (94, 214063225), (142, 141703825), (166, 121216525), (235, 85625290), (355, 56681530), (415, 48486610), (470, 42812645), (710, 28340765), (830, 24243305), (1175, 17125058), (1453, 13848550), (1775, 11336306), (2075, 9697322), (2350, 8562529), (2906, 6924275), (3337, 6029950), (3550, 5668153), (3901, 5158150), (4150, 4848661), (5893, 3414550), (6674, 3014975), (7265, 2769710), (7802, 2579075), (11786, 1707275), (14530, 1384855), (16685, 1205990), (19505, 1031630), (29465, 682910), (33370, 602995), (36325, 553942), (39010, 515815), (58930, 341455), (68291, 294650), (72650, 276971), (83425, 241198), (97525, 206326), (103163, 195050), (120599, 166850), (136582, 147325)]