20162861420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{711463}}^1$

素因数の和:711594

約数の個数: 48

約数和(自身を含む): 46017491520

約数和(自身を除く): 25854630100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 218, 260, 436, 545, 1090, 1417, 2180, 2834, 5668, 7085, 14170, 28340, 711463, 1422926, 2845852, 3557315, 7114630, 9249019, 14229260, 18498038, 36996076, 46245095, 77549467, 92490190, 155098934, 184980380, 310197868, 387747335, 775494670, 1008143071, 1550989340, 2016286142, 4032572284, 5040715355, 10081430710, 20162861420]

約数ペア:

[(1, 20162861420), (2, 10081430710), (4, 5040715355), (5, 4032572284), (10, 2016286142), (13, 1550989340), (20, 1008143071), (26, 775494670), (52, 387747335), (65, 310197868), (109, 184980380), (130, 155098934), (218, 92490190), (260, 77549467), (436, 46245095), (545, 36996076), (1090, 18498038), (1417, 14229260), (2180, 9249019), (2834, 7114630), (5668, 3557315), (7085, 2845852), (14170, 1422926), (28340, 711463)]