16720830

素因数分解:

$2^1\times 3^5\times 5^1\times 7^1\times {\mathrm{983}}^1$

素因数の和:1012

約数の個数: 96

約数和(自身を含む): 51577344

約数和(自身を除く): 34856514

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 81, 90, 105, 126, 135, 162, 189, 210, 243, 270, 315, 378, 405, 486, 567, 630, 810, 945, 983, 1134, 1215, 1701, 1890, 1966, 2430, 2835, 2949, 3402, 4915, 5670, 5898, 6881, 8505, 8847, 9830, 13762, 14745, 17010, 17694, 20643, 26541, 29490, 34405, 41286, 44235, 53082, 61929, 68810, 79623, 88470, 103215, 123858, 132705, 159246, 185787, 206430, 238869, 265410, 309645, 371574, 398115, 477738, 557361, 619290, 796230, 928935, 1114722, 1194345, 1672083, 1857870, 2388690, 2786805, 3344166, 5573610, 8360415, 16720830]

約数ペア:

[(1, 16720830), (2, 8360415), (3, 5573610), (5, 3344166), (6, 2786805), (7, 2388690), (9, 1857870), (10, 1672083), (14, 1194345), (15, 1114722), (18, 928935), (21, 796230), (27, 619290), (30, 557361), (35, 477738), (42, 398115), (45, 371574), (54, 309645), (63, 265410), (70, 238869), (81, 206430), (90, 185787), (105, 159246), (126, 132705), (135, 123858), (162, 103215), (189, 88470), (210, 79623), (243, 68810), (270, 61929), (315, 53082), (378, 44235), (405, 41286), (486, 34405), (567, 29490), (630, 26541), (810, 20643), (945, 17694), (983, 17010), (1134, 14745), (1215, 13762), (1701, 9830), (1890, 8847), (1966, 8505), (2430, 6881), (2835, 5898), (2949, 5670), (3402, 4915)]