20676528

素因数分解:

$2^4\times 3^2\times {\mathrm{139}}^1\times {\mathrm{1033}}^1$

素因数の和:1186

約数の個数: 60

約数和(自身を含む): 58338280

約数和(自身を除く): 37661752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 139, 144, 278, 417, 556, 834, 1033, 1112, 1251, 1668, 2066, 2224, 2502, 3099, 3336, 4132, 5004, 6198, 6672, 8264, 9297, 10008, 12396, 16528, 18594, 20016, 24792, 37188, 49584, 74376, 143587, 148752, 287174, 430761, 574348, 861522, 1148696, 1292283, 1723044, 2297392, 2584566, 3446088, 5169132, 6892176, 10338264, 20676528]

約数ペア:

[(1, 20676528), (2, 10338264), (3, 6892176), (4, 5169132), (6, 3446088), (8, 2584566), (9, 2297392), (12, 1723044), (16, 1292283), (18, 1148696), (24, 861522), (36, 574348), (48, 430761), (72, 287174), (139, 148752), (144, 143587), (278, 74376), (417, 49584), (556, 37188), (834, 24792), (1033, 20016), (1112, 18594), (1251, 16528), (1668, 12396), (2066, 10008), (2224, 9297), (2502, 8264), (3099, 6672), (3336, 6198), (4132, 5004)]