20227521220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{283}}^1\times {\mathrm{787}}^1$

素因数の和:1337

約数の個数: 96

約数和(自身を含む): 45116467200

約数和(自身を除く): 24888945980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 239, 283, 380, 478, 566, 787, 956, 1132, 1195, 1415, 1574, 2390, 2830, 3148, 3935, 4541, 4780, 5377, 5660, 7870, 9082, 10754, 14953, 15740, 18164, 21508, 22705, 26885, 29906, 45410, 53770, 59812, 67637, 74765, 90820, 107540, 135274, 149530, 188093, 222721, 270548, 299060, 338185, 376186, 445442, 676370, 752372, 890884, 940465, 1113605, 1285103, 1352740, 1880930, 2227210, 2570206, 3573767, 3761860, 4231699, 4454420, 5140412, 6425515, 7147534, 8463398, 12851030, 14295068, 16926796, 17868835, 21158495, 25702060, 35737670, 42316990, 53230319, 71475340, 84633980, 106460638, 212921276, 266151595, 532303190, 1011376061, 1064606380, 2022752122, 4045504244, 5056880305, 10113760610, 20227521220]

約数ペア:

[(1, 20227521220), (2, 10113760610), (4, 5056880305), (5, 4045504244), (10, 2022752122), (19, 1064606380), (20, 1011376061), (38, 532303190), (76, 266151595), (95, 212921276), (190, 106460638), (239, 84633980), (283, 71475340), (380, 53230319), (478, 42316990), (566, 35737670), (787, 25702060), (956, 21158495), (1132, 17868835), (1195, 16926796), (1415, 14295068), (1574, 12851030), (2390, 8463398), (2830, 7147534), (3148, 6425515), (3935, 5140412), (4541, 4454420), (4780, 4231699), (5377, 3761860), (5660, 3573767), (7870, 2570206), (9082, 2227210), (10754, 1880930), (14953, 1352740), (15740, 1285103), (18164, 1113605), (21508, 940465), (22705, 890884), (26885, 752372), (29906, 676370), (45410, 445442), (53770, 376186), (59812, 338185), (67637, 299060), (74765, 270548), (90820, 222721), (107540, 188093), (135274, 149530)]