20174314905

素因数分解:

$3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{229}}^2$

素因数の和:655

約数の個数: 72

約数和(自身を含む): 35890440768

約数和(自身を除く): 15716125863

約数列:

[1, 3, 5, 9, 15, 45, 83, 103, 229, 249, 309, 415, 515, 687, 747, 927, 1145, 1245, 1545, 2061, 3435, 3735, 4635, 8549, 10305, 19007, 23587, 25647, 42745, 52441, 57021, 70761, 76941, 95035, 117935, 128235, 157323, 171063, 212283, 262205, 285105, 353805, 384705, 471969, 786615, 855315, 1061415, 1957721, 2359845, 4352603, 5401423, 5873163, 9788605, 13057809, 16204269, 17619489, 21763015, 27007115, 29365815, 39173427, 48612807, 65289045, 81021345, 88097445, 195867135, 243064035, 448318109, 1344954327, 2241590545, 4034862981, 6724771635, 20174314905]

約数ペア:

[(1, 20174314905), (3, 6724771635), (5, 4034862981), (9, 2241590545), (15, 1344954327), (45, 448318109), (83, 243064035), (103, 195867135), (229, 88097445), (249, 81021345), (309, 65289045), (415, 48612807), (515, 39173427), (687, 29365815), (747, 27007115), (927, 21763015), (1145, 17619489), (1245, 16204269), (1545, 13057809), (2061, 9788605), (3435, 5873163), (3735, 5401423), (4635, 4352603), (8549, 2359845), (10305, 1957721), (19007, 1061415), (23587, 855315), (25647, 786615), (42745, 471969), (52441, 384705), (57021, 353805), (70761, 285105), (76941, 262205), (95035, 212283), (117935, 171063), (128235, 157323)]