20165512851

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{439}}^1\times {\mathrm{42181}}^1$

素因数の和:42648

約数の個数: 36

約数和(自身を含む): 32090378320

約数和(自身を除く): 11924865469

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 439, 1089, 1317, 3951, 4829, 14487, 42181, 43461, 53119, 126543, 159357, 379629, 463991, 478071, 1391973, 4175919, 5103901, 15311703, 18517459, 45935109, 55552377, 166657131, 203692049, 611076147, 1833228441, 2240612539, 6721837617, 20165512851]

約数ペア:

[(1, 20165512851), (3, 6721837617), (9, 2240612539), (11, 1833228441), (33, 611076147), (99, 203692049), (121, 166657131), (363, 55552377), (439, 45935109), (1089, 18517459), (1317, 15311703), (3951, 5103901), (4829, 4175919), (14487, 1391973), (42181, 478071), (43461, 463991), (53119, 379629), (126543, 159357)]