20832273

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1307}}^1$

素因数の和:1354

約数の個数: 48

約数和(自身を含む): 39177216

約数和(自身を除く): 18344943

約数列:

[1, 3, 7, 9, 11, 21, 23, 33, 63, 69, 77, 99, 161, 207, 231, 253, 483, 693, 759, 1307, 1449, 1771, 2277, 3921, 5313, 9149, 11763, 14377, 15939, 27447, 30061, 43131, 82341, 90183, 100639, 129393, 210427, 270549, 301917, 330671, 631281, 905751, 992013, 1893843, 2314697, 2976039, 6944091, 20832273]

約数ペア:

[(1, 20832273), (3, 6944091), (7, 2976039), (9, 2314697), (11, 1893843), (21, 992013), (23, 905751), (33, 631281), (63, 330671), (69, 301917), (77, 270549), (99, 210427), (161, 129393), (207, 100639), (231, 90183), (253, 82341), (483, 43131), (693, 30061), (759, 27447), (1307, 15939), (1449, 14377), (1771, 11763), (2277, 9149), (3921, 5313)]