20146252

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:191

約数の個数: 72

約数和(自身を含む): 44241120

約数和(自身を除く): 24094868

約数列:

[1, 2, 4, 7, 14, 23, 28, 41, 46, 49, 82, 92, 98, 109, 161, 164, 196, 218, 287, 322, 436, 574, 644, 763, 943, 1127, 1148, 1526, 1886, 2009, 2254, 2507, 3052, 3772, 4018, 4469, 4508, 5014, 5341, 6601, 8036, 8938, 10028, 10682, 13202, 17549, 17876, 21364, 26404, 31283, 35098, 46207, 62566, 70196, 92414, 102787, 122843, 125132, 184828, 205574, 218981, 245686, 411148, 437962, 491372, 719509, 875924, 1439018, 2878036, 5036563, 10073126, 20146252]

約数ペア:

[(1, 20146252), (2, 10073126), (4, 5036563), (7, 2878036), (14, 1439018), (23, 875924), (28, 719509), (41, 491372), (46, 437962), (49, 411148), (82, 245686), (92, 218981), (98, 205574), (109, 184828), (161, 125132), (164, 122843), (196, 102787), (218, 92414), (287, 70196), (322, 62566), (436, 46207), (574, 35098), (644, 31283), (763, 26404), (943, 21364), (1127, 17876), (1148, 17549), (1526, 13202), (1886, 10682), (2009, 10028), (2254, 8938), (2507, 8036), (3052, 6601), (3772, 5341), (4018, 5014), (4469, 4508)]