20173896275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{653}}^1\times {\mathrm{4133}}^1$

素因数の和:4832

約数の個数: 48

約数和(自身を含む): 28161072576

約数和(自身を除く): 7987176301

約数列:

[1, 5, 13, 23, 25, 65, 115, 299, 325, 575, 653, 1495, 3265, 4133, 7475, 8489, 15019, 16325, 20665, 42445, 53729, 75095, 95059, 103325, 195247, 212225, 268645, 375475, 475295, 976235, 1235767, 1343225, 2376475, 2698849, 4881175, 6178835, 13494245, 30894175, 35085037, 62073527, 67471225, 175425185, 310367635, 806955851, 877125925, 1551838175, 4034779255, 20173896275]

約数ペア:

[(1, 20173896275), (5, 4034779255), (13, 1551838175), (23, 877125925), (25, 806955851), (65, 310367635), (115, 175425185), (299, 67471225), (325, 62073527), (575, 35085037), (653, 30894175), (1495, 13494245), (3265, 6178835), (4133, 4881175), (7475, 2698849), (8489, 2376475), (15019, 1343225), (16325, 1235767), (20665, 976235), (42445, 475295), (53729, 375475), (75095, 268645), (95059, 212225), (103325, 195247)]