20179136

素因数分解:

$2^6\times {\mathrm{17}}^2\times {\mathrm{1091}}^1$

素因数の和:1137

約数の個数: 42

約数和(自身を含む): 42575988

約数和(自身を除く): 22396852

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 289, 544, 578, 1088, 1091, 1156, 2182, 2312, 4364, 4624, 8728, 9248, 17456, 18496, 18547, 34912, 37094, 69824, 74188, 148376, 296752, 315299, 593504, 630598, 1187008, 1261196, 2522392, 5044784, 10089568, 20179136]

約数ペア:

[(1, 20179136), (2, 10089568), (4, 5044784), (8, 2522392), (16, 1261196), (17, 1187008), (32, 630598), (34, 593504), (64, 315299), (68, 296752), (136, 148376), (272, 74188), (289, 69824), (544, 37094), (578, 34912), (1088, 18547), (1091, 18496), (1156, 17456), (2182, 9248), (2312, 8728), (4364, 4624)]