20280169364

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4519}}^1\times {\mathrm{12329}}^1$

素因数の和:16872

約数の個数: 48

約数和(自身を含む): 43693574400

約数和(自身を除く): 23413405036

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 4519, 9038, 12329, 18076, 24658, 31633, 49316, 58747, 63266, 86303, 117494, 126532, 160277, 172606, 234988, 320554, 345212, 411229, 641108, 822458, 1121939, 1644916, 2243878, 4487756, 55714751, 111429502, 222859004, 390003257, 724291763, 780006514, 1448583526, 1560013028, 2897167052, 5070042341, 10140084682, 20280169364]

約数ペア:

[(1, 20280169364), (2, 10140084682), (4, 5070042341), (7, 2897167052), (13, 1560013028), (14, 1448583526), (26, 780006514), (28, 724291763), (52, 390003257), (91, 222859004), (182, 111429502), (364, 55714751), (4519, 4487756), (9038, 2243878), (12329, 1644916), (18076, 1121939), (24658, 822458), (31633, 641108), (49316, 411229), (58747, 345212), (63266, 320554), (86303, 234988), (117494, 172606), (126532, 160277)]