20154729777

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{11423}}^1$

素因数の和:11750

約数の個数: 64

約数和(自身を含む): 34638299136

約数和(自身を除く): 14483569359

約数列:

[1, 3, 7, 13, 21, 23, 39, 69, 91, 161, 273, 281, 299, 483, 843, 897, 1967, 2093, 3653, 5901, 6279, 6463, 10959, 11423, 19389, 25571, 34269, 45241, 76713, 79961, 84019, 135723, 148499, 239883, 252057, 262729, 445497, 588133, 788187, 1039493, 1764399, 1839103, 3118479, 3209863, 3415477, 5517309, 9629589, 10246431, 22469041, 23908339, 41728219, 67407123, 71725017, 73826849, 125184657, 221480547, 292097533, 516787943, 876292599, 959749037, 1550363829, 2879247111, 6718243259, 20154729777]

約数ペア:

[(1, 20154729777), (3, 6718243259), (7, 2879247111), (13, 1550363829), (21, 959749037), (23, 876292599), (39, 516787943), (69, 292097533), (91, 221480547), (161, 125184657), (273, 73826849), (281, 71725017), (299, 67407123), (483, 41728219), (843, 23908339), (897, 22469041), (1967, 10246431), (2093, 9629589), (3653, 5517309), (5901, 3415477), (6279, 3209863), (6463, 3118479), (10959, 1839103), (11423, 1764399), (19389, 1039493), (25571, 788187), (34269, 588133), (45241, 445497), (76713, 262729), (79961, 252057), (84019, 239883), (135723, 148499)]