20105085

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1$

素因数の和:155

約数の個数: 96

約数和(自身を含む): 43849728

約数和(自身を除く): 23744643

約数列:

[1, 3, 5, 7, 11, 13, 15, 21, 33, 35, 39, 55, 65, 77, 91, 103, 105, 143, 165, 169, 195, 231, 273, 309, 385, 429, 455, 507, 515, 715, 721, 845, 1001, 1133, 1155, 1183, 1339, 1365, 1545, 1859, 2145, 2163, 2535, 3003, 3399, 3549, 3605, 4017, 5005, 5577, 5665, 5915, 6695, 7931, 9295, 9373, 10815, 13013, 14729, 15015, 16995, 17407, 17745, 20085, 23793, 27885, 28119, 39039, 39655, 44187, 46865, 52221, 65065, 73645, 87035, 103103, 118965, 121849, 140595, 191477, 195195, 220935, 261105, 309309, 365547, 515515, 574431, 609245, 957385, 1340339, 1546545, 1827735, 2872155, 4021017, 6701695, 20105085]

約数ペア:

[(1, 20105085), (3, 6701695), (5, 4021017), (7, 2872155), (11, 1827735), (13, 1546545), (15, 1340339), (21, 957385), (33, 609245), (35, 574431), (39, 515515), (55, 365547), (65, 309309), (77, 261105), (91, 220935), (103, 195195), (105, 191477), (143, 140595), (165, 121849), (169, 118965), (195, 103103), (231, 87035), (273, 73645), (309, 65065), (385, 52221), (429, 46865), (455, 44187), (507, 39655), (515, 39039), (715, 28119), (721, 27885), (845, 23793), (1001, 20085), (1133, 17745), (1155, 17407), (1183, 16995), (1339, 15015), (1365, 14729), (1545, 13013), (1859, 10815), (2145, 9373), (2163, 9295), (2535, 7931), (3003, 6695), (3399, 5915), (3549, 5665), (3605, 5577), (4017, 5005)]