20399076

素因数分解:

$2^2\times 3^2\times {\mathrm{83}}^1\times {\mathrm{6827}}^1$

素因数の和:6920

約数の個数: 36

約数和(自身を含む): 52193232

約数和(自身を除く): 31794156

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 83, 166, 249, 332, 498, 747, 996, 1494, 2988, 6827, 13654, 20481, 27308, 40962, 61443, 81924, 122886, 245772, 566641, 1133282, 1699923, 2266564, 3399846, 5099769, 6799692, 10199538, 20399076]

約数ペア:

[(1, 20399076), (2, 10199538), (3, 6799692), (4, 5099769), (6, 3399846), (9, 2266564), (12, 1699923), (18, 1133282), (36, 566641), (83, 245772), (166, 122886), (249, 81924), (332, 61443), (498, 40962), (747, 27308), (996, 20481), (1494, 13654), (2988, 6827)]