20762940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{193}}^1$

素因数の和:379

約数の個数: 96

約数和(自身を含む): 64141056

約数和(自身を除く): 43378116

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 163, 165, 193, 220, 326, 330, 386, 489, 579, 652, 660, 772, 815, 965, 978, 1158, 1630, 1793, 1930, 1956, 2123, 2316, 2445, 2895, 3260, 3586, 3860, 4246, 4890, 5379, 5790, 6369, 7172, 8492, 8965, 9780, 10615, 10758, 11580, 12738, 17930, 21230, 21516, 25476, 26895, 31459, 31845, 35860, 42460, 53790, 62918, 63690, 94377, 107580, 125836, 127380, 157295, 188754, 314590, 346049, 377508, 471885, 629180, 692098, 943770, 1038147, 1384196, 1730245, 1887540, 2076294, 3460490, 4152588, 5190735, 6920980, 10381470, 20762940]

約数ペア:

[(1, 20762940), (2, 10381470), (3, 6920980), (4, 5190735), (5, 4152588), (6, 3460490), (10, 2076294), (11, 1887540), (12, 1730245), (15, 1384196), (20, 1038147), (22, 943770), (30, 692098), (33, 629180), (44, 471885), (55, 377508), (60, 346049), (66, 314590), (110, 188754), (132, 157295), (163, 127380), (165, 125836), (193, 107580), (220, 94377), (326, 63690), (330, 62918), (386, 53790), (489, 42460), (579, 35860), (652, 31845), (660, 31459), (772, 26895), (815, 25476), (965, 21516), (978, 21230), (1158, 17930), (1630, 12738), (1793, 11580), (1930, 10758), (1956, 10615), (2123, 9780), (2316, 8965), (2445, 8492), (2895, 7172), (3260, 6369), (3586, 5790), (3860, 5379), (4246, 4890)]