20237664840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{491}}^1\times {\mathrm{3541}}^1$

素因数の和:4143

約数の個数: 128

約数和(自身を含む): 61481185920

約数和(自身を除く): 41243521080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 120, 194, 291, 388, 485, 491, 582, 776, 970, 982, 1164, 1455, 1473, 1940, 1964, 2328, 2455, 2910, 2946, 3541, 3880, 3928, 4910, 5820, 5892, 7082, 7365, 9820, 10623, 11640, 11784, 14164, 14730, 17705, 19640, 21246, 28328, 29460, 35410, 42492, 47627, 53115, 58920, 70820, 84984, 95254, 106230, 141640, 142881, 190508, 212460, 238135, 285762, 343477, 381016, 424920, 476270, 571524, 686954, 714405, 952540, 1030431, 1143048, 1373908, 1428810, 1717385, 1738631, 1905080, 2060862, 2747816, 2857620, 3434770, 3477262, 4121724, 5152155, 5215893, 5715240, 6869540, 6954524, 8243448, 8693155, 10304310, 10431786, 13739080, 13909048, 17386310, 20608620, 20863572, 26079465, 34772620, 41217240, 41727144, 52158930, 69545240, 104317860, 168647207, 208635720, 337294414, 505941621, 674588828, 843236035, 1011883242, 1349177656, 1686472070, 2023766484, 2529708105, 3372944140, 4047532968, 5059416210, 6745888280, 10118832420, 20237664840]

約数ペア:

[(1, 20237664840), (2, 10118832420), (3, 6745888280), (4, 5059416210), (5, 4047532968), (6, 3372944140), (8, 2529708105), (10, 2023766484), (12, 1686472070), (15, 1349177656), (20, 1011883242), (24, 843236035), (30, 674588828), (40, 505941621), (60, 337294414), (97, 208635720), (120, 168647207), (194, 104317860), (291, 69545240), (388, 52158930), (485, 41727144), (491, 41217240), (582, 34772620), (776, 26079465), (970, 20863572), (982, 20608620), (1164, 17386310), (1455, 13909048), (1473, 13739080), (1940, 10431786), (1964, 10304310), (2328, 8693155), (2455, 8243448), (2910, 6954524), (2946, 6869540), (3541, 5715240), (3880, 5215893), (3928, 5152155), (4910, 4121724), (5820, 3477262), (5892, 3434770), (7082, 2857620), (7365, 2747816), (9820, 2060862), (10623, 1905080), (11640, 1738631), (11784, 1717385), (14164, 1428810), (14730, 1373908), (17705, 1143048), (19640, 1030431), (21246, 952540), (28328, 714405), (29460, 686954), (35410, 571524), (42492, 476270), (47627, 424920), (53115, 381016), (58920, 343477), (70820, 285762), (84984, 238135), (95254, 212460), (106230, 190508), (141640, 142881)]