20396502

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{53959}}^1$

素因数の和:53977

約数の個数: 32

約数和(自身を含む): 51801600

約数和(自身を除く): 31405098

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 53959, 107918, 161877, 323754, 377713, 485631, 755426, 971262, 1133139, 1456893, 2266278, 2913786, 3399417, 6798834, 10198251, 20396502]

約数ペア:

[(1, 20396502), (2, 10198251), (3, 6798834), (6, 3399417), (7, 2913786), (9, 2266278), (14, 1456893), (18, 1133139), (21, 971262), (27, 755426), (42, 485631), (54, 377713), (63, 323754), (126, 161877), (189, 107918), (378, 53959)]