20726687296

素因数分解:

$2^6\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1492417}}^1$

素因数の和:1492467

約数の個数: 56

約数和(自身を含む): 48521494016

約数和(自身を除く): 27794806720

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 217, 224, 248, 434, 448, 496, 868, 992, 1736, 1984, 3472, 6944, 13888, 1492417, 2984834, 5969668, 10446919, 11939336, 20893838, 23878672, 41787676, 46264927, 47757344, 83575352, 92529854, 95514688, 167150704, 185059708, 323854489, 334301408, 370119416, 647708978, 668602816, 740238832, 1295417956, 1480477664, 2590835912, 2960955328, 5181671824, 10363343648, 20726687296]

約数ペア:

[(1, 20726687296), (2, 10363343648), (4, 5181671824), (7, 2960955328), (8, 2590835912), (14, 1480477664), (16, 1295417956), (28, 740238832), (31, 668602816), (32, 647708978), (56, 370119416), (62, 334301408), (64, 323854489), (112, 185059708), (124, 167150704), (217, 95514688), (224, 92529854), (248, 83575352), (434, 47757344), (448, 46264927), (496, 41787676), (868, 23878672), (992, 20893838), (1736, 11939336), (1984, 10446919), (3472, 5969668), (6944, 2984834), (13888, 1492417)]