20921838

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{16069}}^1$

素因数の和:16112

約数の個数: 32

約数和(自身を含む): 49367040

約数和(自身を除く): 28445202

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 93, 186, 217, 434, 651, 1302, 16069, 32138, 48207, 96414, 112483, 224966, 337449, 498139, 674898, 996278, 1494417, 2988834, 3486973, 6973946, 10460919, 20921838]

約数ペア:

[(1, 20921838), (2, 10460919), (3, 6973946), (6, 3486973), (7, 2988834), (14, 1494417), (21, 996278), (31, 674898), (42, 498139), (62, 337449), (93, 224966), (186, 112483), (217, 96414), (434, 48207), (651, 32138), (1302, 16069)]