201922980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{20903}}^1$

素因数の和:20945

約数の個数: 96

約数和(自身を含む): 674279424

約数和(自身を除く): 472356444

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 92, 105, 115, 138, 140, 161, 210, 230, 276, 322, 345, 420, 460, 483, 644, 690, 805, 966, 1380, 1610, 1932, 2415, 3220, 4830, 9660, 20903, 41806, 62709, 83612, 104515, 125418, 146321, 209030, 250836, 292642, 313545, 418060, 438963, 480769, 585284, 627090, 731605, 877926, 961538, 1254180, 1442307, 1463210, 1755852, 1923076, 2194815, 2403845, 2884614, 2926420, 3365383, 4389630, 4807690, 5769228, 6730766, 7211535, 8779260, 9615380, 10096149, 13461532, 14423070, 16826915, 20192298, 28846140, 33653830, 40384596, 50480745, 67307660, 100961490, 201922980]

約数ペア:

[(1, 201922980), (2, 100961490), (3, 67307660), (4, 50480745), (5, 40384596), (6, 33653830), (7, 28846140), (10, 20192298), (12, 16826915), (14, 14423070), (15, 13461532), (20, 10096149), (21, 9615380), (23, 8779260), (28, 7211535), (30, 6730766), (35, 5769228), (42, 4807690), (46, 4389630), (60, 3365383), (69, 2926420), (70, 2884614), (84, 2403845), (92, 2194815), (105, 1923076), (115, 1755852), (138, 1463210), (140, 1442307), (161, 1254180), (210, 961538), (230, 877926), (276, 731605), (322, 627090), (345, 585284), (420, 480769), (460, 438963), (483, 418060), (644, 313545), (690, 292642), (805, 250836), (966, 209030), (1380, 146321), (1610, 125418), (1932, 104515), (2415, 83612), (3220, 62709), (4830, 41806), (9660, 20903)]