20156138700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{137}}^1\times {\mathrm{490417}}^1$

素因数の和:490571

約数の個数: 72

約数和(自身を含む): 58744229712

約数和(自身を除く): 38588091012

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 137, 150, 274, 300, 411, 548, 685, 822, 1370, 1644, 2055, 2740, 3425, 4110, 6850, 8220, 10275, 13700, 20550, 41100, 490417, 980834, 1471251, 1961668, 2452085, 2942502, 4904170, 5885004, 7356255, 9808340, 12260425, 14712510, 24520850, 29425020, 36781275, 49041700, 67187129, 73562550, 134374258, 147125100, 201561387, 268748516, 335935645, 403122774, 671871290, 806245548, 1007806935, 1343742580, 1679678225, 2015613870, 3359356450, 4031227740, 5039034675, 6718712900, 10078069350, 20156138700]

約数ペア:

[(1, 20156138700), (2, 10078069350), (3, 6718712900), (4, 5039034675), (5, 4031227740), (6, 3359356450), (10, 2015613870), (12, 1679678225), (15, 1343742580), (20, 1007806935), (25, 806245548), (30, 671871290), (50, 403122774), (60, 335935645), (75, 268748516), (100, 201561387), (137, 147125100), (150, 134374258), (274, 73562550), (300, 67187129), (411, 49041700), (548, 36781275), (685, 29425020), (822, 24520850), (1370, 14712510), (1644, 12260425), (2055, 9808340), (2740, 7356255), (3425, 5885004), (4110, 4904170), (6850, 2942502), (8220, 2452085), (10275, 1961668), (13700, 1471251), (20550, 980834), (41100, 490417)]