20829100080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{454387}}^1$

素因数の和:454594

約数の個数: 80

約数和(自身を含む): 64908417024

約数和(自身を除く): 44079316944

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 191, 240, 382, 573, 764, 955, 1146, 1528, 1910, 2292, 2865, 3056, 3820, 4584, 5730, 7640, 9168, 11460, 15280, 22920, 45840, 454387, 908774, 1363161, 1817548, 2271935, 2726322, 3635096, 4543870, 5452644, 6815805, 7270192, 9087740, 10905288, 13631610, 18175480, 21810576, 27263220, 36350960, 54526440, 86787917, 109052880, 173575834, 260363751, 347151668, 433939585, 520727502, 694303336, 867879170, 1041455004, 1301818755, 1388606672, 1735758340, 2082910008, 2603637510, 3471516680, 4165820016, 5207275020, 6943033360, 10414550040, 20829100080]

約数ペア:

[(1, 20829100080), (2, 10414550040), (3, 6943033360), (4, 5207275020), (5, 4165820016), (6, 3471516680), (8, 2603637510), (10, 2082910008), (12, 1735758340), (15, 1388606672), (16, 1301818755), (20, 1041455004), (24, 867879170), (30, 694303336), (40, 520727502), (48, 433939585), (60, 347151668), (80, 260363751), (120, 173575834), (191, 109052880), (240, 86787917), (382, 54526440), (573, 36350960), (764, 27263220), (955, 21810576), (1146, 18175480), (1528, 13631610), (1910, 10905288), (2292, 9087740), (2865, 7270192), (3056, 6815805), (3820, 5452644), (4584, 4543870), (5730, 3635096), (7640, 2726322), (9168, 2271935), (11460, 1817548), (15280, 1363161), (22920, 908774), (45840, 454387)]