20137535728

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{643}}^1\times {\mathrm{47741}}^1$

素因数の和:48433

約数の個数: 40

約数和(自身を含む): 40031094096

約数和(自身を除く): 19893558368

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 643, 656, 1286, 2572, 5144, 10288, 26363, 47741, 52726, 95482, 105452, 190964, 210904, 381928, 421808, 763856, 1957381, 3914762, 7829524, 15659048, 30697463, 31318096, 61394926, 122789852, 245579704, 491159408, 1258595983, 2517191966, 5034383932, 10068767864, 20137535728]

約数ペア:

[(1, 20137535728), (2, 10068767864), (4, 5034383932), (8, 2517191966), (16, 1258595983), (41, 491159408), (82, 245579704), (164, 122789852), (328, 61394926), (643, 31318096), (656, 30697463), (1286, 15659048), (2572, 7829524), (5144, 3914762), (10288, 1957381), (26363, 763856), (47741, 421808), (52726, 381928), (95482, 210904), (105452, 190964)]