20165720600

素因数分解:

$2^3\times 5^2\times {\mathrm{101}}^1\times {\mathrm{239}}^1\times {\mathrm{4177}}^1$

素因数の和:4533

約数の個数: 96

約数和(自身を含む): 47559009600

約数和(自身を除く): 27393289000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 101, 200, 202, 239, 404, 478, 505, 808, 956, 1010, 1195, 1912, 2020, 2390, 2525, 4040, 4177, 4780, 5050, 5975, 8354, 9560, 10100, 11950, 16708, 20200, 20885, 23900, 24139, 33416, 41770, 47800, 48278, 83540, 96556, 104425, 120695, 167080, 193112, 208850, 241390, 417700, 421877, 482780, 603475, 835400, 843754, 965560, 998303, 1206950, 1687508, 1996606, 2109385, 2413900, 3375016, 3993212, 4218770, 4827800, 4991515, 7986424, 8437540, 9983030, 10546925, 16875080, 19966060, 21093850, 24957575, 39932120, 42187700, 49915150, 84375400, 99830300, 100828603, 199660600, 201657206, 403314412, 504143015, 806628824, 1008286030, 2016572060, 2520715075, 4033144120, 5041430150, 10082860300, 20165720600]

約数ペア:

[(1, 20165720600), (2, 10082860300), (4, 5041430150), (5, 4033144120), (8, 2520715075), (10, 2016572060), (20, 1008286030), (25, 806628824), (40, 504143015), (50, 403314412), (100, 201657206), (101, 199660600), (200, 100828603), (202, 99830300), (239, 84375400), (404, 49915150), (478, 42187700), (505, 39932120), (808, 24957575), (956, 21093850), (1010, 19966060), (1195, 16875080), (1912, 10546925), (2020, 9983030), (2390, 8437540), (2525, 7986424), (4040, 4991515), (4177, 4827800), (4780, 4218770), (5050, 3993212), (5975, 3375016), (8354, 2413900), (9560, 2109385), (10100, 1996606), (11950, 1687508), (16708, 1206950), (20200, 998303), (20885, 965560), (23900, 843754), (24139, 835400), (33416, 603475), (41770, 482780), (47800, 421877), (48278, 417700), (83540, 241390), (96556, 208850), (104425, 193112), (120695, 167080)]