20183478

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1$

素因数の和:341

約数の個数: 64

約数和(自身を含む): 48591360

約数和(自身を除く): 28407882

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 73, 87, 146, 174, 203, 219, 227, 406, 438, 454, 511, 609, 681, 1022, 1218, 1362, 1533, 1589, 2117, 3066, 3178, 4234, 4767, 6351, 6583, 9534, 12702, 13166, 14819, 16571, 19749, 29638, 33142, 39498, 44457, 46081, 49713, 88914, 92162, 99426, 115997, 138243, 231994, 276486, 347991, 480559, 695982, 961118, 1441677, 2883354, 3363913, 6727826, 10091739, 20183478]

約数ペア:

[(1, 20183478), (2, 10091739), (3, 6727826), (6, 3363913), (7, 2883354), (14, 1441677), (21, 961118), (29, 695982), (42, 480559), (58, 347991), (73, 276486), (87, 231994), (146, 138243), (174, 115997), (203, 99426), (219, 92162), (227, 88914), (406, 49713), (438, 46081), (454, 44457), (511, 39498), (609, 33142), (681, 29638), (1022, 19749), (1218, 16571), (1362, 14819), (1533, 13166), (1589, 12702), (2117, 9534), (3066, 6583), (3178, 6351), (4234, 4767)]