20776080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6659}}^1$

素因数の和:6688

約数の個数: 80

約数和(自身を含む): 69370560

約数和(自身を除く): 48594480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 6659, 13318, 19977, 26636, 33295, 39954, 53272, 66590, 79908, 86567, 99885, 106544, 133180, 159816, 173134, 199770, 259701, 266360, 319632, 346268, 399540, 432835, 519402, 532720, 692536, 799080, 865670, 1038804, 1298505, 1385072, 1598160, 1731340, 2077608, 2597010, 3462680, 4155216, 5194020, 6925360, 10388040, 20776080]

約数ペア:

[(1, 20776080), (2, 10388040), (3, 6925360), (4, 5194020), (5, 4155216), (6, 3462680), (8, 2597010), (10, 2077608), (12, 1731340), (13, 1598160), (15, 1385072), (16, 1298505), (20, 1038804), (24, 865670), (26, 799080), (30, 692536), (39, 532720), (40, 519402), (48, 432835), (52, 399540), (60, 346268), (65, 319632), (78, 266360), (80, 259701), (104, 199770), (120, 173134), (130, 159816), (156, 133180), (195, 106544), (208, 99885), (240, 86567), (260, 79908), (312, 66590), (390, 53272), (520, 39954), (624, 33295), (780, 26636), (1040, 19977), (1560, 13318), (3120, 6659)]