20485537884

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{3919}}^1\times {\mathrm{20743}}^1$

素因数の和:24679

約数の個数: 72

約数和(自身を含む): 59198397440

約数和(自身を除く): 38712859556

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 3919, 7838, 11757, 15676, 20743, 23514, 27433, 35271, 41486, 47028, 54866, 62229, 70542, 82299, 82972, 109732, 124458, 141084, 145201, 164598, 186687, 246897, 248916, 290402, 329196, 373374, 435603, 493794, 580804, 746748, 871206, 987588, 1306809, 1742412, 2613618, 5227236, 81291817, 162583634, 243875451, 325167268, 487750902, 569042719, 731626353, 975501804, 1138085438, 1463252706, 1707128157, 2276170876, 2926505412, 3414256314, 5121384471, 6828512628, 10242768942, 20485537884]

約数ペア:

[(1, 20485537884), (2, 10242768942), (3, 6828512628), (4, 5121384471), (6, 3414256314), (7, 2926505412), (9, 2276170876), (12, 1707128157), (14, 1463252706), (18, 1138085438), (21, 975501804), (28, 731626353), (36, 569042719), (42, 487750902), (63, 325167268), (84, 243875451), (126, 162583634), (252, 81291817), (3919, 5227236), (7838, 2613618), (11757, 1742412), (15676, 1306809), (20743, 987588), (23514, 871206), (27433, 746748), (35271, 580804), (41486, 493794), (47028, 435603), (54866, 373374), (62229, 329196), (70542, 290402), (82299, 248916), (82972, 246897), (109732, 186687), (124458, 164598), (141084, 145201)]