20036390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{571}}^1$

素因数の和:629

約数の個数: 48

約数和(自身を含む): 41081040

約数和(自身を除く): 21044650

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 121, 145, 242, 290, 319, 571, 605, 638, 1142, 1210, 1595, 2855, 3190, 3509, 5710, 6281, 7018, 12562, 16559, 17545, 31405, 33118, 35090, 62810, 69091, 82795, 138182, 165590, 182149, 345455, 364298, 690910, 910745, 1821490, 2003639, 4007278, 10018195, 20036390]

約数ペア:

[(1, 20036390), (2, 10018195), (5, 4007278), (10, 2003639), (11, 1821490), (22, 910745), (29, 690910), (55, 364298), (58, 345455), (110, 182149), (121, 165590), (145, 138182), (242, 82795), (290, 69091), (319, 62810), (571, 35090), (605, 33118), (638, 31405), (1142, 17545), (1210, 16559), (1595, 12562), (2855, 7018), (3190, 6281), (3509, 5710)]