20780490064

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{957097}}^1$

素因数の和:957187

約数の個数: 40

約数和(自身を含む): 42724854720

約数和(自身を除く): 21944364656

約数列:

[1, 2, 4, 8, 16, 23, 46, 59, 92, 118, 184, 236, 368, 472, 944, 1357, 2714, 5428, 10856, 21712, 957097, 1914194, 3828388, 7656776, 15313552, 22013231, 44026462, 56468723, 88052924, 112937446, 176105848, 225874892, 352211696, 451749784, 903499568, 1298780629, 2597561258, 5195122516, 10390245032, 20780490064]

約数ペア:

[(1, 20780490064), (2, 10390245032), (4, 5195122516), (8, 2597561258), (16, 1298780629), (23, 903499568), (46, 451749784), (59, 352211696), (92, 225874892), (118, 176105848), (184, 112937446), (236, 88052924), (368, 56468723), (472, 44026462), (944, 22013231), (1357, 15313552), (2714, 7656776), (5428, 3828388), (10856, 1914194), (21712, 957097)]