20205836140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2297}}^1\times {\mathrm{3307}}^1$

素因数の和:5639

約数の個数: 96

約数和(自身を含む): 51083988480

約数和(自身を除く): 30878152340

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2297, 2660, 3307, 4594, 6614, 9188, 11485, 13228, 16079, 16535, 22970, 23149, 32158, 33070, 43643, 45940, 46298, 62833, 64316, 66140, 80395, 87286, 92596, 115745, 125666, 160790, 174572, 218215, 231490, 251332, 305501, 314165, 321580, 436430, 439831, 462980, 611002, 628330, 872860, 879662, 1222004, 1256660, 1527505, 1759324, 2199155, 3055010, 4398310, 6110020, 7596179, 8796620, 15192358, 30384716, 37980895, 53173253, 75961790, 106346506, 144327401, 151923580, 212693012, 265866265, 288654802, 531732530, 577309604, 721637005, 1010291807, 1063465060, 1443274010, 2020583614, 2886548020, 4041167228, 5051459035, 10102918070, 20205836140]

約数ペア:

[(1, 20205836140), (2, 10102918070), (4, 5051459035), (5, 4041167228), (7, 2886548020), (10, 2020583614), (14, 1443274010), (19, 1063465060), (20, 1010291807), (28, 721637005), (35, 577309604), (38, 531732530), (70, 288654802), (76, 265866265), (95, 212693012), (133, 151923580), (140, 144327401), (190, 106346506), (266, 75961790), (380, 53173253), (532, 37980895), (665, 30384716), (1330, 15192358), (2297, 8796620), (2660, 7596179), (3307, 6110020), (4594, 4398310), (6614, 3055010), (9188, 2199155), (11485, 1759324), (13228, 1527505), (16079, 1256660), (16535, 1222004), (22970, 879662), (23149, 872860), (32158, 628330), (33070, 611002), (43643, 462980), (45940, 439831), (46298, 436430), (62833, 321580), (64316, 314165), (66140, 305501), (80395, 251332), (87286, 231490), (92596, 218215), (115745, 174572), (125666, 160790)]