20111908310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{509}}^1\times {\mathrm{941}}^1$

素因数の和:1506

約数の個数: 128

約数和(自身を含む): 43583702400

約数和(自身を除く): 23471794090

約数列:

[1, 2, 5, 10, 13, 17, 19, 26, 34, 38, 65, 85, 95, 130, 170, 190, 221, 247, 323, 442, 494, 509, 646, 941, 1018, 1105, 1235, 1615, 1882, 2210, 2470, 2545, 3230, 4199, 4705, 5090, 6617, 8398, 8653, 9410, 9671, 12233, 13234, 15997, 17306, 17879, 19342, 20995, 24466, 31994, 33085, 35758, 41990, 43265, 48355, 61165, 66170, 79985, 86530, 89395, 96710, 112489, 122330, 125723, 159970, 164407, 178790, 207961, 224978, 232427, 251446, 303943, 328814, 415922, 464854, 478969, 562445, 607886, 628615, 822035, 957938, 1039805, 1124890, 1162135, 1257230, 1519715, 1644070, 2079610, 2137291, 2324270, 2394845, 3039430, 3951259, 4274582, 4789690, 6226597, 7902518, 8142473, 9100411, 10686455, 12453194, 16284946, 18200822, 19756295, 21372910, 31132985, 39512590, 40712365, 45502055, 62265970, 81424730, 91004110, 105852149, 118305343, 154706987, 211704298, 236610686, 309413974, 529260745, 591526715, 773534935, 1058521490, 1183053430, 1547069870, 2011190831, 4022381662, 10055954155, 20111908310]

約数ペア:

[(1, 20111908310), (2, 10055954155), (5, 4022381662), (10, 2011190831), (13, 1547069870), (17, 1183053430), (19, 1058521490), (26, 773534935), (34, 591526715), (38, 529260745), (65, 309413974), (85, 236610686), (95, 211704298), (130, 154706987), (170, 118305343), (190, 105852149), (221, 91004110), (247, 81424730), (323, 62265970), (442, 45502055), (494, 40712365), (509, 39512590), (646, 31132985), (941, 21372910), (1018, 19756295), (1105, 18200822), (1235, 16284946), (1615, 12453194), (1882, 10686455), (2210, 9100411), (2470, 8142473), (2545, 7902518), (3230, 6226597), (4199, 4789690), (4705, 4274582), (5090, 3951259), (6617, 3039430), (8398, 2394845), (8653, 2324270), (9410, 2137291), (9671, 2079610), (12233, 1644070), (13234, 1519715), (15997, 1257230), (17306, 1162135), (17879, 1124890), (19342, 1039805), (20995, 957938), (24466, 822035), (31994, 628615), (33085, 607886), (35758, 562445), (41990, 478969), (43265, 464854), (48355, 415922), (61165, 328814), (66170, 303943), (79985, 251446), (86530, 232427), (89395, 224978), (96710, 207961), (112489, 178790), (122330, 164407), (125723, 159970)]