20710250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{443}}^1$

素因数の和:488

約数の個数: 64

約数和(自身を含む): 44883072

約数和(自身を除く): 24172822

約数列:

[1, 2, 5, 10, 11, 17, 22, 25, 34, 50, 55, 85, 110, 125, 170, 187, 250, 275, 374, 425, 443, 550, 850, 886, 935, 1375, 1870, 2125, 2215, 2750, 4250, 4430, 4675, 4873, 7531, 9350, 9746, 11075, 15062, 22150, 23375, 24365, 37655, 46750, 48730, 55375, 75310, 82841, 110750, 121825, 165682, 188275, 243650, 376550, 414205, 609125, 828410, 941375, 1218250, 1882750, 2071025, 4142050, 10355125, 20710250]

約数ペア:

[(1, 20710250), (2, 10355125), (5, 4142050), (10, 2071025), (11, 1882750), (17, 1218250), (22, 941375), (25, 828410), (34, 609125), (50, 414205), (55, 376550), (85, 243650), (110, 188275), (125, 165682), (170, 121825), (187, 110750), (250, 82841), (275, 75310), (374, 55375), (425, 48730), (443, 46750), (550, 37655), (850, 24365), (886, 23375), (935, 22150), (1375, 15062), (1870, 11075), (2125, 9746), (2215, 9350), (2750, 7531), (4250, 4873), (4430, 4675)]