20649902

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1367}}^1$

素因数の和:1472

約数の個数: 32

約数和(自身を含む): 38610432

約数和(自身を除く): 17960530

約数列:

[1, 2, 7, 13, 14, 26, 83, 91, 166, 182, 581, 1079, 1162, 1367, 2158, 2734, 7553, 9569, 15106, 17771, 19138, 35542, 113461, 124397, 226922, 248794, 794227, 1474993, 1588454, 2949986, 10324951, 20649902]

約数ペア:

[(1, 20649902), (2, 10324951), (7, 2949986), (13, 1588454), (14, 1474993), (26, 794227), (83, 248794), (91, 226922), (166, 124397), (182, 113461), (581, 35542), (1079, 19138), (1162, 17771), (1367, 15106), (2158, 9569), (2734, 7553)]