20178804876

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{653}}^1\times {\mathrm{59887}}^1$

素因数の和:60590

約数の個数: 48

約数和(自身を含む): 48253438464

約数和(自身を除く): 28074633588

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 653, 1306, 1959, 2612, 3918, 7836, 28079, 56158, 59887, 84237, 112316, 119774, 168474, 179661, 239548, 336948, 359322, 718644, 2575141, 5150282, 7725423, 10300564, 15450846, 30901692, 39106211, 78212422, 117318633, 156424844, 234637266, 469274532, 1681567073, 3363134146, 5044701219, 6726268292, 10089402438, 20178804876]

約数ペア:

[(1, 20178804876), (2, 10089402438), (3, 6726268292), (4, 5044701219), (6, 3363134146), (12, 1681567073), (43, 469274532), (86, 234637266), (129, 156424844), (172, 117318633), (258, 78212422), (516, 39106211), (653, 30901692), (1306, 15450846), (1959, 10300564), (2612, 7725423), (3918, 5150282), (7836, 2575141), (28079, 718644), (56158, 359322), (59887, 336948), (84237, 239548), (112316, 179661), (119774, 168474)]