20172687999

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1\times {\mathrm{863}}^1$

素因数の和:1172

約数の個数: 64

約数和(自身を含む): 29859840000

約数和(自身を除く): 9687152001

約数列:

[1, 3, 19, 29, 57, 79, 87, 179, 237, 537, 551, 863, 1501, 1653, 2291, 2589, 3401, 4503, 5191, 6873, 10203, 14141, 15573, 16397, 25027, 42423, 43529, 49191, 68177, 75081, 98629, 130587, 154477, 204531, 268679, 295887, 410089, 463431, 475513, 806037, 1230267, 1295363, 1426539, 1977133, 2935063, 3886089, 4479833, 5931399, 7791691, 8805189, 12203683, 13439499, 23375073, 36611049, 37565527, 85116827, 112696581, 231869977, 255350481, 353906807, 695609931, 1061720421, 6724229333, 20172687999]

約数ペア:

[(1, 20172687999), (3, 6724229333), (19, 1061720421), (29, 695609931), (57, 353906807), (79, 255350481), (87, 231869977), (179, 112696581), (237, 85116827), (537, 37565527), (551, 36611049), (863, 23375073), (1501, 13439499), (1653, 12203683), (2291, 8805189), (2589, 7791691), (3401, 5931399), (4503, 4479833), (5191, 3886089), (6873, 2935063), (10203, 1977133), (14141, 1426539), (15573, 1295363), (16397, 1230267), (25027, 806037), (42423, 475513), (43529, 463431), (49191, 410089), (68177, 295887), (75081, 268679), (98629, 204531), (130587, 154477)]