20271573

素因数分解:

$3^3\times 7^1\times {\mathrm{283}}^1\times {\mathrm{379}}^1$

素因数の和:678

約数の個数: 32

約数和(自身を含む): 34534400

約数和(自身を除く): 14262827

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 283, 379, 849, 1137, 1981, 2547, 2653, 3411, 5943, 7641, 7959, 10233, 17829, 23877, 53487, 71631, 107257, 321771, 750799, 965313, 2252397, 2895939, 6757191, 20271573]

約数ペア:

[(1, 20271573), (3, 6757191), (7, 2895939), (9, 2252397), (21, 965313), (27, 750799), (63, 321771), (189, 107257), (283, 71631), (379, 53487), (849, 23877), (1137, 17829), (1981, 10233), (2547, 7959), (2653, 7641), (3411, 5943)]