20154156

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2503}}^1$

素因数の和:2582

約数の個数: 48

約数和(自身を含む): 52163328

約数和(自身を除く): 32009172

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 61, 66, 122, 132, 183, 244, 366, 671, 732, 1342, 2013, 2503, 2684, 4026, 5006, 7509, 8052, 10012, 15018, 27533, 30036, 55066, 82599, 110132, 152683, 165198, 305366, 330396, 458049, 610732, 916098, 1679513, 1832196, 3359026, 5038539, 6718052, 10077078, 20154156]

約数ペア:

[(1, 20154156), (2, 10077078), (3, 6718052), (4, 5038539), (6, 3359026), (11, 1832196), (12, 1679513), (22, 916098), (33, 610732), (44, 458049), (61, 330396), (66, 305366), (122, 165198), (132, 152683), (183, 110132), (244, 82599), (366, 55066), (671, 30036), (732, 27533), (1342, 15018), (2013, 10012), (2503, 8052), (2684, 7509), (4026, 5006)]