20107182459

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{9619}}^1$

素因数の和:9705

約数の個数: 96

約数和(自身を含む): 36054220800

約数和(自身を除く): 15947038341

約数列:

[1, 3, 7, 13, 19, 21, 31, 39, 57, 91, 93, 133, 169, 217, 247, 273, 399, 403, 507, 589, 651, 741, 1183, 1209, 1729, 1767, 2821, 3211, 3549, 4123, 5187, 5239, 7657, 8463, 9619, 9633, 12369, 15717, 22477, 22971, 28857, 36673, 53599, 67333, 67431, 99541, 110019, 125047, 160797, 182761, 201999, 298189, 298623, 375141, 548283, 696787, 875329, 894567, 1279327, 1625611, 2087323, 2090361, 2375893, 2625987, 3837981, 3876457, 4876833, 5665591, 6261969, 7127679, 11379277, 11629371, 16631251, 16996773, 27135199, 30886609, 34137831, 39659137, 49893753, 50393941, 73652683, 81405597, 92659827, 118977411, 151181823, 216206263, 220958049, 352757587, 515568781, 648618789, 957484879, 1058272761, 1546706343, 2872454637, 6702394153, 20107182459]

約数ペア:

[(1, 20107182459), (3, 6702394153), (7, 2872454637), (13, 1546706343), (19, 1058272761), (21, 957484879), (31, 648618789), (39, 515568781), (57, 352757587), (91, 220958049), (93, 216206263), (133, 151181823), (169, 118977411), (217, 92659827), (247, 81405597), (273, 73652683), (399, 50393941), (403, 49893753), (507, 39659137), (589, 34137831), (651, 30886609), (741, 27135199), (1183, 16996773), (1209, 16631251), (1729, 11629371), (1767, 11379277), (2821, 7127679), (3211, 6261969), (3549, 5665591), (4123, 4876833), (5187, 3876457), (5239, 3837981), (7657, 2625987), (8463, 2375893), (9619, 2090361), (9633, 2087323), (12369, 1625611), (15717, 1279327), (22477, 894567), (22971, 875329), (28857, 696787), (36673, 548283), (53599, 375141), (67333, 298623), (67431, 298189), (99541, 201999), (110019, 182761), (125047, 160797)]