20214860900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1847}}^1\times {\mathrm{8419}}^1$

素因数の和:10293

約数の個数: 72

約数和(自身を含む): 47271766080

約数和(自身を除く): 27056905180

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 1847, 3694, 7388, 8419, 9235, 16838, 18470, 24011, 33676, 36940, 42095, 46175, 48022, 84190, 92350, 96044, 109447, 120055, 168380, 184700, 210475, 218894, 240110, 420950, 437788, 480220, 547235, 600275, 841900, 1094470, 1200550, 2188940, 2401100, 2736175, 5472350, 10944700, 15549893, 31099786, 62199572, 77749465, 155498930, 202148609, 310997860, 388747325, 404297218, 777494650, 808594436, 1010743045, 1554989300, 2021486090, 4042972180, 5053715225, 10107430450, 20214860900]

約数ペア:

[(1, 20214860900), (2, 10107430450), (4, 5053715225), (5, 4042972180), (10, 2021486090), (13, 1554989300), (20, 1010743045), (25, 808594436), (26, 777494650), (50, 404297218), (52, 388747325), (65, 310997860), (100, 202148609), (130, 155498930), (260, 77749465), (325, 62199572), (650, 31099786), (1300, 15549893), (1847, 10944700), (3694, 5472350), (7388, 2736175), (8419, 2401100), (9235, 2188940), (16838, 1200550), (18470, 1094470), (24011, 841900), (33676, 600275), (36940, 547235), (42095, 480220), (46175, 437788), (48022, 420950), (84190, 240110), (92350, 218894), (96044, 210475), (109447, 184700), (120055, 168380)]