20138238

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{223}}^1$

素因数の和:433

約数の個数: 48

約数和(自身を含む): 45601920

約数和(自身を除く): 25463682

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 173, 174, 223, 261, 346, 446, 519, 522, 669, 1038, 1338, 1557, 2007, 3114, 4014, 5017, 6467, 10034, 12934, 15051, 19401, 30102, 38579, 38802, 45153, 58203, 77158, 90306, 115737, 116406, 231474, 347211, 694422, 1118791, 2237582, 3356373, 6712746, 10069119, 20138238]

約数ペア:

[(1, 20138238), (2, 10069119), (3, 6712746), (6, 3356373), (9, 2237582), (18, 1118791), (29, 694422), (58, 347211), (87, 231474), (173, 116406), (174, 115737), (223, 90306), (261, 77158), (346, 58203), (446, 45153), (519, 38802), (522, 38579), (669, 30102), (1038, 19401), (1338, 15051), (1557, 12934), (2007, 10034), (3114, 6467), (4014, 5017)]