20658816

素因数分解:

$2^7\times 3^2\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:326

約数の個数: 96

約数和(自身を含む): 60465600

約数和(自身を除く): 39806784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 79, 96, 128, 144, 158, 192, 227, 237, 288, 316, 384, 454, 474, 576, 632, 681, 711, 908, 948, 1152, 1264, 1362, 1422, 1816, 1896, 2043, 2528, 2724, 2844, 3632, 3792, 4086, 5056, 5448, 5688, 7264, 7584, 8172, 10112, 10896, 11376, 14528, 15168, 16344, 17933, 21792, 22752, 29056, 30336, 32688, 35866, 43584, 45504, 53799, 65376, 71732, 87168, 91008, 107598, 130752, 143464, 161397, 215196, 261504, 286928, 322794, 430392, 573856, 645588, 860784, 1147712, 1291176, 1721568, 2295424, 2582352, 3443136, 5164704, 6886272, 10329408, 20658816]

約数ペア:

[(1, 20658816), (2, 10329408), (3, 6886272), (4, 5164704), (6, 3443136), (8, 2582352), (9, 2295424), (12, 1721568), (16, 1291176), (18, 1147712), (24, 860784), (32, 645588), (36, 573856), (48, 430392), (64, 322794), (72, 286928), (79, 261504), (96, 215196), (128, 161397), (144, 143464), (158, 130752), (192, 107598), (227, 91008), (237, 87168), (288, 71732), (316, 65376), (384, 53799), (454, 45504), (474, 43584), (576, 35866), (632, 32688), (681, 30336), (711, 29056), (908, 22752), (948, 21792), (1152, 17933), (1264, 16344), (1362, 15168), (1422, 14528), (1816, 11376), (1896, 10896), (2043, 10112), (2528, 8172), (2724, 7584), (2844, 7264), (3632, 5688), (3792, 5448), (4086, 5056)]