20861043

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1$

素因数の和:331

約数の個数: 32

約数和(自身を含む): 32832000

約数和(自身を除く): 11970957

約数列:

[1, 3, 7, 21, 59, 113, 149, 177, 339, 413, 447, 791, 1043, 1239, 2373, 3129, 6667, 8791, 16837, 20001, 26373, 46669, 50511, 61537, 117859, 140007, 184611, 353577, 993383, 2980149, 6953681, 20861043]

約数ペア:

[(1, 20861043), (3, 6953681), (7, 2980149), (21, 993383), (59, 353577), (113, 184611), (149, 140007), (177, 117859), (339, 61537), (413, 50511), (447, 46669), (791, 26373), (1043, 20001), (1239, 16837), (2373, 8791), (3129, 6667)]