20172059985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{967}}^1\times {\mathrm{18061}}^1$

素因数の和:19054

約数の個数: 64

約数和(自身を含む): 40283172864

約数和(自身を除く): 20111112879

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 967, 1155, 2901, 4835, 6769, 10637, 14505, 18061, 20307, 31911, 33845, 53185, 54183, 74459, 90305, 101535, 126427, 159555, 198671, 223377, 270915, 372295, 379281, 596013, 632135, 993355, 1116885, 1390697, 1896405, 2980065, 4172091, 6953485, 17464987, 20860455, 52394961, 87324935, 122254909, 192114857, 261974805, 366764727, 576344571, 611274545, 960574285, 1344803999, 1833823635, 2881722855, 4034411997, 6724019995, 20172059985]

約数ペア:

[(1, 20172059985), (3, 6724019995), (5, 4034411997), (7, 2881722855), (11, 1833823635), (15, 1344803999), (21, 960574285), (33, 611274545), (35, 576344571), (55, 366764727), (77, 261974805), (105, 192114857), (165, 122254909), (231, 87324935), (385, 52394961), (967, 20860455), (1155, 17464987), (2901, 6953485), (4835, 4172091), (6769, 2980065), (10637, 1896405), (14505, 1390697), (18061, 1116885), (20307, 993355), (31911, 632135), (33845, 596013), (53185, 379281), (54183, 372295), (74459, 270915), (90305, 223377), (101535, 198671), (126427, 159555)]