20015766

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{439}}^1$

素因数の和:613

約数の個数: 48

約数和(自身を含む): 46332000

約数和(自身を除く): 26316234

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 149, 153, 298, 306, 439, 447, 878, 894, 1317, 1341, 2533, 2634, 2682, 3951, 5066, 7463, 7599, 7902, 14926, 15198, 22389, 22797, 44778, 45594, 65411, 67167, 130822, 134334, 196233, 392466, 588699, 1111987, 1177398, 2223974, 3335961, 6671922, 10007883, 20015766]

約数ペア:

[(1, 20015766), (2, 10007883), (3, 6671922), (6, 3335961), (9, 2223974), (17, 1177398), (18, 1111987), (34, 588699), (51, 392466), (102, 196233), (149, 134334), (153, 130822), (298, 67167), (306, 65411), (439, 45594), (447, 44778), (878, 22797), (894, 22389), (1317, 15198), (1341, 14926), (2533, 7902), (2634, 7599), (2682, 7463), (3951, 5066)]