20684016

素因数分解:

$2^4\times 3^2\times {\mathrm{239}}^1\times {\mathrm{601}}^1$

素因数の和:854

約数の個数: 60

約数和(自身を含む): 58225440

約数和(自身を除く): 37541424

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 239, 478, 601, 717, 956, 1202, 1434, 1803, 1912, 2151, 2404, 2868, 3606, 3824, 4302, 4808, 5409, 5736, 7212, 8604, 9616, 10818, 11472, 14424, 17208, 21636, 28848, 34416, 43272, 86544, 143639, 287278, 430917, 574556, 861834, 1149112, 1292751, 1723668, 2298224, 2585502, 3447336, 5171004, 6894672, 10342008, 20684016]

約数ペア:

[(1, 20684016), (2, 10342008), (3, 6894672), (4, 5171004), (6, 3447336), (8, 2585502), (9, 2298224), (12, 1723668), (16, 1292751), (18, 1149112), (24, 861834), (36, 574556), (48, 430917), (72, 287278), (144, 143639), (239, 86544), (478, 43272), (601, 34416), (717, 28848), (956, 21636), (1202, 17208), (1434, 14424), (1803, 11472), (1912, 10818), (2151, 9616), (2404, 8604), (2868, 7212), (3606, 5736), (3824, 5409), (4302, 4808)]