20064050

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:347

約数の個数: 48

約数和(自身を含む): 39640320

約数和(自身を除く): 19576270

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 73, 115, 146, 230, 239, 365, 478, 575, 730, 1150, 1195, 1679, 1825, 2390, 3358, 3650, 5497, 5975, 8395, 10994, 11950, 16790, 17447, 27485, 34894, 41975, 54970, 83950, 87235, 137425, 174470, 274850, 401281, 436175, 802562, 872350, 2006405, 4012810, 10032025, 20064050]

約数ペア:

[(1, 20064050), (2, 10032025), (5, 4012810), (10, 2006405), (23, 872350), (25, 802562), (46, 436175), (50, 401281), (73, 274850), (115, 174470), (146, 137425), (230, 87235), (239, 83950), (365, 54970), (478, 41975), (575, 34894), (730, 27485), (1150, 17447), (1195, 16790), (1679, 11950), (1825, 10994), (2390, 8395), (3358, 5975), (3650, 5497)]