20743808

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{9533}}^1$

素因数の和:9564

約数の個数: 32

約数和(自身を含む): 43761060

約数和(自身を除く): 23017252

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 544, 1088, 2176, 9533, 19066, 38132, 76264, 152528, 162061, 305056, 324122, 610112, 648244, 1220224, 1296488, 2592976, 5185952, 10371904, 20743808]

約数ペア:

[(1, 20743808), (2, 10371904), (4, 5185952), (8, 2592976), (16, 1296488), (17, 1220224), (32, 648244), (34, 610112), (64, 324122), (68, 305056), (128, 162061), (136, 152528), (272, 76264), (544, 38132), (1088, 19066), (2176, 9533)]