20114879620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^2\times {\mathrm{109}}^1\times {\mathrm{499}}^1$

素因数の和:710

約数の個数: 144

約数和(自身を含む): 47761560000

約数和(自身を除く): 27646680380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 109, 110, 164, 205, 218, 220, 410, 436, 451, 499, 545, 820, 902, 998, 1090, 1199, 1681, 1804, 1996, 2180, 2255, 2398, 2495, 3362, 4469, 4510, 4796, 4990, 5489, 5995, 6724, 8405, 8938, 9020, 9980, 10978, 11990, 16810, 17876, 18491, 20459, 21956, 22345, 23980, 27445, 33620, 36982, 40918, 44690, 49159, 54391, 54890, 73964, 81836, 89380, 92455, 98318, 102295, 108782, 109780, 183229, 184910, 196636, 204590, 217564, 225049, 245795, 271955, 366458, 369820, 409180, 450098, 491590, 543910, 598301, 732916, 838819, 900196, 916145, 983180, 1087820, 1125245, 1196602, 1677638, 1832290, 2015519, 2230031, 2250490, 2393204, 2991505, 3355276, 3664580, 4031038, 4194095, 4460062, 4500980, 5983010, 8062076, 8388190, 8920124, 9227009, 10077595, 11150155, 11966020, 16776380, 18454018, 20155190, 22300310, 24530341, 36908036, 40310380, 44600620, 46135045, 49060682, 91431271, 92270090, 98121364, 122651705, 182862542, 184540180, 245303410, 365725084, 457156355, 490606820, 914312710, 1005743981, 1828625420, 2011487962, 4022975924, 5028719905, 10057439810, 20114879620]

約数ペア:

[(1, 20114879620), (2, 10057439810), (4, 5028719905), (5, 4022975924), (10, 2011487962), (11, 1828625420), (20, 1005743981), (22, 914312710), (41, 490606820), (44, 457156355), (55, 365725084), (82, 245303410), (109, 184540180), (110, 182862542), (164, 122651705), (205, 98121364), (218, 92270090), (220, 91431271), (410, 49060682), (436, 46135045), (451, 44600620), (499, 40310380), (545, 36908036), (820, 24530341), (902, 22300310), (998, 20155190), (1090, 18454018), (1199, 16776380), (1681, 11966020), (1804, 11150155), (1996, 10077595), (2180, 9227009), (2255, 8920124), (2398, 8388190), (2495, 8062076), (3362, 5983010), (4469, 4500980), (4510, 4460062), (4796, 4194095), (4990, 4031038), (5489, 3664580), (5995, 3355276), (6724, 2991505), (8405, 2393204), (8938, 2250490), (9020, 2230031), (9980, 2015519), (10978, 1832290), (11990, 1677638), (16810, 1196602), (17876, 1125245), (18491, 1087820), (20459, 983180), (21956, 916145), (22345, 900196), (23980, 838819), (27445, 732916), (33620, 598301), (36982, 543910), (40918, 491590), (44690, 450098), (49159, 409180), (54391, 369820), (54890, 366458), (73964, 271955), (81836, 245795), (89380, 225049), (92455, 217564), (98318, 204590), (102295, 196636), (108782, 184910), (109780, 183229)]