20609600

素因数分解:

$2^6\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1171}}^1$

素因数の和:1204

約数の個数: 84

約数和(自身を含む): 55369968

約数和(自身を除く): 34760368

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 160, 176, 200, 220, 275, 320, 352, 400, 440, 550, 704, 800, 880, 1100, 1171, 1600, 1760, 2200, 2342, 3520, 4400, 4684, 5855, 8800, 9368, 11710, 12881, 17600, 18736, 23420, 25762, 29275, 37472, 46840, 51524, 58550, 64405, 74944, 93680, 103048, 117100, 128810, 187360, 206096, 234200, 257620, 322025, 374720, 412192, 468400, 515240, 644050, 824384, 936800, 1030480, 1288100, 1873600, 2060960, 2576200, 4121920, 5152400, 10304800, 20609600]

約数ペア:

[(1, 20609600), (2, 10304800), (4, 5152400), (5, 4121920), (8, 2576200), (10, 2060960), (11, 1873600), (16, 1288100), (20, 1030480), (22, 936800), (25, 824384), (32, 644050), (40, 515240), (44, 468400), (50, 412192), (55, 374720), (64, 322025), (80, 257620), (88, 234200), (100, 206096), (110, 187360), (160, 128810), (176, 117100), (200, 103048), (220, 93680), (275, 74944), (320, 64405), (352, 58550), (400, 51524), (440, 46840), (550, 37472), (704, 29275), (800, 25762), (880, 23420), (1100, 18736), (1171, 17600), (1600, 12881), (1760, 11710), (2200, 9368), (2342, 8800), (3520, 5855), (4400, 4684)]