20216190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1223}}^1$

素因数の和:1281

約数の個数: 64

約数和(自身を含む): 52876800

約数和(自身を除く): 32660610

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 29, 30, 38, 57, 58, 87, 95, 114, 145, 174, 190, 285, 290, 435, 551, 570, 870, 1102, 1223, 1653, 2446, 2755, 3306, 3669, 5510, 6115, 7338, 8265, 12230, 16530, 18345, 23237, 35467, 36690, 46474, 69711, 70934, 106401, 116185, 139422, 177335, 212802, 232370, 348555, 354670, 532005, 673873, 697110, 1064010, 1347746, 2021619, 3369365, 4043238, 6738730, 10108095, 20216190]

約数ペア:

[(1, 20216190), (2, 10108095), (3, 6738730), (5, 4043238), (6, 3369365), (10, 2021619), (15, 1347746), (19, 1064010), (29, 697110), (30, 673873), (38, 532005), (57, 354670), (58, 348555), (87, 232370), (95, 212802), (114, 177335), (145, 139422), (174, 116185), (190, 106401), (285, 70934), (290, 69711), (435, 46474), (551, 36690), (570, 35467), (870, 23237), (1102, 18345), (1223, 16530), (1653, 12230), (2446, 8265), (2755, 7338), (3306, 6115), (3669, 5510)]