20089040330

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^2\times {\mathrm{139}}^1$

素因数の和:396

約数の個数: 96

約数和(自身を含む): 38345045760

約数和(自身を除く): 18256005430

約数列:

[1, 2, 5, 10, 47, 61, 71, 94, 122, 139, 142, 235, 278, 305, 355, 470, 610, 695, 710, 1390, 2867, 3337, 4331, 5041, 5734, 6533, 6674, 8479, 8662, 9869, 10082, 13066, 14335, 16685, 16958, 19738, 21655, 25205, 28670, 32665, 33370, 42395, 43310, 49345, 50410, 65330, 84790, 98690, 203557, 236927, 307501, 398513, 407114, 463843, 473854, 602009, 615002, 700699, 797026, 927686, 1017785, 1184635, 1204018, 1401398, 1537505, 1992565, 2035570, 2319215, 2369270, 3010045, 3075010, 3503495, 3985130, 4638430, 6020090, 7006990, 14452547, 28294423, 28905094, 32932853, 42742639, 56588846, 65865706, 72262735, 85485278, 141472115, 144525470, 164664265, 213713195, 282944230, 329328530, 427426390, 2008904033, 4017808066, 10044520165, 20089040330]

約数ペア:

[(1, 20089040330), (2, 10044520165), (5, 4017808066), (10, 2008904033), (47, 427426390), (61, 329328530), (71, 282944230), (94, 213713195), (122, 164664265), (139, 144525470), (142, 141472115), (235, 85485278), (278, 72262735), (305, 65865706), (355, 56588846), (470, 42742639), (610, 32932853), (695, 28905094), (710, 28294423), (1390, 14452547), (2867, 7006990), (3337, 6020090), (4331, 4638430), (5041, 3985130), (5734, 3503495), (6533, 3075010), (6674, 3010045), (8479, 2369270), (8662, 2319215), (9869, 2035570), (10082, 1992565), (13066, 1537505), (14335, 1401398), (16685, 1204018), (16958, 1184635), (19738, 1017785), (21655, 927686), (25205, 797026), (28670, 700699), (32665, 615002), (33370, 602009), (42395, 473854), (43310, 463843), (49345, 407114), (50410, 398513), (65330, 307501), (84790, 236927), (98690, 203557)]