20090285320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{809}}^1\times {\mathrm{2861}}^1$

素因数の和:3719

約数の個数: 128

約数和(自身を含む): 53411788800

約数和(自身を除く): 33321503480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 809, 868, 1085, 1240, 1618, 1736, 2170, 2861, 3236, 4045, 4340, 5663, 5722, 6472, 8090, 8680, 11326, 11444, 14305, 16180, 20027, 22652, 22888, 25079, 28315, 28610, 32360, 40054, 45304, 50158, 56630, 57220, 80108, 88691, 100135, 100316, 113260, 114440, 125395, 160216, 175553, 177382, 200270, 200632, 226520, 250790, 351106, 354764, 400540, 443455, 501580, 620837, 702212, 709528, 801080, 877765, 886910, 1003160, 1241674, 1404424, 1755530, 1773820, 2314549, 2483348, 3104185, 3511060, 3547640, 4629098, 4966696, 6208370, 7022120, 9258196, 11572745, 12416740, 16201843, 18516392, 23145490, 24833480, 32403686, 46290980, 64807372, 71751019, 81009215, 92581960, 129614744, 143502038, 162018430, 287004076, 324036860, 358755095, 502257133, 574008152, 648073720, 717510190, 1004514266, 1435020380, 2009028532, 2511285665, 2870040760, 4018057064, 5022571330, 10045142660, 20090285320]

約数ペア:

[(1, 20090285320), (2, 10045142660), (4, 5022571330), (5, 4018057064), (7, 2870040760), (8, 2511285665), (10, 2009028532), (14, 1435020380), (20, 1004514266), (28, 717510190), (31, 648073720), (35, 574008152), (40, 502257133), (56, 358755095), (62, 324036860), (70, 287004076), (124, 162018430), (140, 143502038), (155, 129614744), (217, 92581960), (248, 81009215), (280, 71751019), (310, 64807372), (434, 46290980), (620, 32403686), (809, 24833480), (868, 23145490), (1085, 18516392), (1240, 16201843), (1618, 12416740), (1736, 11572745), (2170, 9258196), (2861, 7022120), (3236, 6208370), (4045, 4966696), (4340, 4629098), (5663, 3547640), (5722, 3511060), (6472, 3104185), (8090, 2483348), (8680, 2314549), (11326, 1773820), (11444, 1755530), (14305, 1404424), (16180, 1241674), (20027, 1003160), (22652, 886910), (22888, 877765), (25079, 801080), (28315, 709528), (28610, 702212), (32360, 620837), (40054, 501580), (45304, 443455), (50158, 400540), (56630, 354764), (57220, 351106), (80108, 250790), (88691, 226520), (100135, 200632), (100316, 200270), (113260, 177382), (114440, 175553), (125395, 160216)]