20459502

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2287}}^1$

素因数の和:2373

約数の個数: 48

約数和(自身を含む): 51397632

約数和(自身を除く): 30938130

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 71, 126, 142, 213, 426, 497, 639, 994, 1278, 1491, 2287, 2982, 4473, 4574, 6861, 8946, 13722, 16009, 20583, 32018, 41166, 48027, 96054, 144081, 162377, 288162, 324754, 487131, 974262, 1136639, 1461393, 2273278, 2922786, 3409917, 6819834, 10229751, 20459502]

約数ペア:

[(1, 20459502), (2, 10229751), (3, 6819834), (6, 3409917), (7, 2922786), (9, 2273278), (14, 1461393), (18, 1136639), (21, 974262), (42, 487131), (63, 324754), (71, 288162), (126, 162377), (142, 144081), (213, 96054), (426, 48027), (497, 41166), (639, 32018), (994, 20583), (1278, 16009), (1491, 13722), (2287, 8946), (2982, 6861), (4473, 4574)]