20502656

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{5167}}^1$

素因数の和:5212

約数の個数: 32

約数和(自身を含む): 42170880

約数和(自身を除く): 21668224

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 5167, 10334, 20668, 41336, 82672, 160177, 165344, 320354, 330688, 640708, 661376, 1281416, 2562832, 5125664, 10251328, 20502656]

約数ペア:

[(1, 20502656), (2, 10251328), (4, 5125664), (8, 2562832), (16, 1281416), (31, 661376), (32, 640708), (62, 330688), (64, 320354), (124, 165344), (128, 160177), (248, 82672), (496, 41336), (992, 20668), (1984, 10334), (3968, 5167)]