20173318590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1\times {\mathrm{1789}}^1$

素因数の和:2162

約数の個数: 128

約数和(自身を含む): 51881932800

約数和(自身を除く): 31708614210

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 73, 95, 114, 146, 190, 219, 271, 285, 365, 438, 542, 570, 730, 813, 1095, 1355, 1387, 1626, 1789, 2190, 2710, 2774, 3578, 4065, 4161, 5149, 5367, 6935, 8130, 8322, 8945, 10298, 10734, 13870, 15447, 17890, 19783, 20805, 25745, 26835, 30894, 33991, 39566, 41610, 51490, 53670, 59349, 67982, 77235, 98915, 101973, 118698, 130597, 154470, 169955, 197830, 203946, 261194, 296745, 339910, 375877, 391791, 484819, 509865, 593490, 652985, 751754, 783582, 969638, 1019730, 1127631, 1305970, 1454457, 1879385, 1958955, 2255262, 2424095, 2481343, 2908914, 3758770, 3917910, 4848190, 4962686, 5638155, 7272285, 7444029, 9211561, 11276310, 12406715, 14544570, 14888058, 18423122, 24813430, 27634683, 35391787, 37220145, 46057805, 55269366, 70783574, 74440290, 92115610, 106175361, 138173415, 176958935, 212350722, 276346830, 353917870, 530876805, 672443953, 1061753610, 1344887906, 2017331859, 3362219765, 4034663718, 6724439530, 10086659295, 20173318590]

約数ペア:

[(1, 20173318590), (2, 10086659295), (3, 6724439530), (5, 4034663718), (6, 3362219765), (10, 2017331859), (15, 1344887906), (19, 1061753610), (30, 672443953), (38, 530876805), (57, 353917870), (73, 276346830), (95, 212350722), (114, 176958935), (146, 138173415), (190, 106175361), (219, 92115610), (271, 74440290), (285, 70783574), (365, 55269366), (438, 46057805), (542, 37220145), (570, 35391787), (730, 27634683), (813, 24813430), (1095, 18423122), (1355, 14888058), (1387, 14544570), (1626, 12406715), (1789, 11276310), (2190, 9211561), (2710, 7444029), (2774, 7272285), (3578, 5638155), (4065, 4962686), (4161, 4848190), (5149, 3917910), (5367, 3758770), (6935, 2908914), (8130, 2481343), (8322, 2424095), (8945, 2255262), (10298, 1958955), (10734, 1879385), (13870, 1454457), (15447, 1305970), (17890, 1127631), (19783, 1019730), (20805, 969638), (25745, 783582), (26835, 751754), (30894, 652985), (33991, 593490), (39566, 509865), (41610, 484819), (51490, 391791), (53670, 375877), (59349, 339910), (67982, 296745), (77235, 261194), (98915, 203946), (101973, 197830), (118698, 169955), (130597, 154470)]