20257116

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:275

約数の個数: 96

約数和(自身を含む): 55883520

約数和(自身を除く): 35626404

約数列:

[1, 2, 3, 4, 6, 11, 12, 19, 22, 33, 38, 41, 44, 57, 66, 76, 82, 114, 123, 132, 164, 197, 209, 228, 246, 394, 418, 451, 492, 591, 627, 779, 788, 836, 902, 1182, 1254, 1353, 1558, 1804, 2167, 2337, 2364, 2508, 2706, 3116, 3743, 4334, 4674, 5412, 6501, 7486, 8077, 8569, 8668, 9348, 11229, 13002, 14972, 16154, 17138, 22458, 24231, 25707, 26004, 32308, 34276, 41173, 44916, 48462, 51414, 82346, 88847, 96924, 102828, 123519, 153463, 164692, 177694, 247038, 266541, 306926, 355388, 460389, 494076, 533082, 613852, 920778, 1066164, 1688093, 1841556, 3376186, 5064279, 6752372, 10128558, 20257116]

約数ペア:

[(1, 20257116), (2, 10128558), (3, 6752372), (4, 5064279), (6, 3376186), (11, 1841556), (12, 1688093), (19, 1066164), (22, 920778), (33, 613852), (38, 533082), (41, 494076), (44, 460389), (57, 355388), (66, 306926), (76, 266541), (82, 247038), (114, 177694), (123, 164692), (132, 153463), (164, 123519), (197, 102828), (209, 96924), (228, 88847), (246, 82346), (394, 51414), (418, 48462), (451, 44916), (492, 41173), (591, 34276), (627, 32308), (779, 26004), (788, 25707), (836, 24231), (902, 22458), (1182, 17138), (1254, 16154), (1353, 14972), (1558, 13002), (1804, 11229), (2167, 9348), (2337, 8668), (2364, 8569), (2508, 8077), (2706, 7486), (3116, 6501), (3743, 5412), (4334, 4674)]