20731650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{3371}}^1$

素因数の和:3427

約数の個数: 48

約数和(自身を含む): 52684128

約数和(自身を除く): 31952478

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 41, 50, 75, 82, 123, 150, 205, 246, 410, 615, 1025, 1230, 2050, 3075, 3371, 6150, 6742, 10113, 16855, 20226, 33710, 50565, 84275, 101130, 138211, 168550, 252825, 276422, 414633, 505650, 691055, 829266, 1382110, 2073165, 3455275, 4146330, 6910550, 10365825, 20731650]

約数ペア:

[(1, 20731650), (2, 10365825), (3, 6910550), (5, 4146330), (6, 3455275), (10, 2073165), (15, 1382110), (25, 829266), (30, 691055), (41, 505650), (50, 414633), (75, 276422), (82, 252825), (123, 168550), (150, 138211), (205, 101130), (246, 84275), (410, 50565), (615, 33710), (1025, 20226), (1230, 16855), (2050, 10113), (3075, 6742), (3371, 6150)]