20512395946

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{431}}^1\times {\mathrm{2423}}^1$

素因数の和:2947

約数の個数: 64

約数和(自身を含む): 37396463616

約数和(自身を除く): 16884067670

約数列:

[1, 2, 7, 14, 23, 46, 61, 122, 161, 322, 427, 431, 854, 862, 1403, 2423, 2806, 3017, 4846, 6034, 9821, 9913, 16961, 19642, 19826, 26291, 33922, 52582, 55729, 69391, 111458, 138782, 147803, 184037, 295606, 368074, 390103, 604693, 780206, 1034621, 1044313, 1209386, 2069242, 2088626, 3399469, 4232851, 6798938, 7310191, 8465702, 14620382, 23796283, 24019199, 47592566, 48038398, 63703093, 127406186, 168134393, 336268786, 445921651, 891843302, 1465171139, 2930342278, 10256197973, 20512395946]

約数ペア:

[(1, 20512395946), (2, 10256197973), (7, 2930342278), (14, 1465171139), (23, 891843302), (46, 445921651), (61, 336268786), (122, 168134393), (161, 127406186), (322, 63703093), (427, 48038398), (431, 47592566), (854, 24019199), (862, 23796283), (1403, 14620382), (2423, 8465702), (2806, 7310191), (3017, 6798938), (4846, 4232851), (6034, 3399469), (9821, 2088626), (9913, 2069242), (16961, 1209386), (19642, 1044313), (19826, 1034621), (26291, 780206), (33922, 604693), (52582, 390103), (55729, 368074), (69391, 295606), (111458, 184037), (138782, 147803)]