20737210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{593}}^1$

素因数の和:882

約数の個数: 32

約数和(自身を含む): 40415760

約数和(自身を除く): 19678550

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 269, 538, 593, 1186, 1345, 2690, 2965, 3497, 5930, 6994, 7709, 15418, 17485, 34970, 38545, 77090, 159517, 319034, 797585, 1595170, 2073721, 4147442, 10368605, 20737210]

約数ペア:

[(1, 20737210), (2, 10368605), (5, 4147442), (10, 2073721), (13, 1595170), (26, 797585), (65, 319034), (130, 159517), (269, 77090), (538, 38545), (593, 34970), (1186, 17485), (1345, 15418), (2690, 7709), (2965, 6994), (3497, 5930)]