20052656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:198

約数の個数: 80

約数和(自身を含む): 45559584

約数和(自身を除く): 25506928

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 53, 68, 104, 106, 107, 136, 208, 212, 214, 221, 272, 424, 428, 442, 689, 848, 856, 884, 901, 1378, 1391, 1712, 1768, 1802, 1819, 2756, 2782, 3536, 3604, 3638, 5512, 5564, 5671, 7208, 7276, 11024, 11128, 11342, 11713, 14416, 14552, 22256, 22684, 23426, 23647, 29104, 45368, 46852, 47294, 73723, 90736, 93704, 94588, 96407, 147446, 187408, 189176, 192814, 294892, 378352, 385628, 589784, 771256, 1179568, 1253291, 1542512, 2506582, 5013164, 10026328, 20052656]

約数ペア:

[(1, 20052656), (2, 10026328), (4, 5013164), (8, 2506582), (13, 1542512), (16, 1253291), (17, 1179568), (26, 771256), (34, 589784), (52, 385628), (53, 378352), (68, 294892), (104, 192814), (106, 189176), (107, 187408), (136, 147446), (208, 96407), (212, 94588), (214, 93704), (221, 90736), (272, 73723), (424, 47294), (428, 46852), (442, 45368), (689, 29104), (848, 23647), (856, 23426), (884, 22684), (901, 22256), (1378, 14552), (1391, 14416), (1712, 11713), (1768, 11342), (1802, 11128), (1819, 11024), (2756, 7276), (2782, 7208), (3536, 5671), (3604, 5564), (3638, 5512)]