20210936368

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{373}}^1\times {\mathrm{11251}}^1$

素因数の和:11682

約数の個数: 80

約数和(自身を含む): 45920402176

約数和(自身を除く): 25709465808

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 112, 172, 301, 344, 373, 602, 688, 746, 1204, 1492, 2408, 2611, 2984, 4816, 5222, 5968, 10444, 11251, 16039, 20888, 22502, 32078, 41776, 45004, 64156, 78757, 90008, 112273, 128312, 157514, 180016, 224546, 256624, 315028, 449092, 483793, 630056, 898184, 967586, 1260112, 1796368, 1935172, 3386551, 3870344, 4196623, 6773102, 7740688, 8393246, 13546204, 16786492, 27092408, 29376361, 33572984, 54184816, 58752722, 67145968, 117505444, 180454789, 235010888, 360909578, 470021776, 721819156, 1263183523, 1443638312, 2526367046, 2887276624, 5052734092, 10105468184, 20210936368]

約数ペア:

[(1, 20210936368), (2, 10105468184), (4, 5052734092), (7, 2887276624), (8, 2526367046), (14, 1443638312), (16, 1263183523), (28, 721819156), (43, 470021776), (56, 360909578), (86, 235010888), (112, 180454789), (172, 117505444), (301, 67145968), (344, 58752722), (373, 54184816), (602, 33572984), (688, 29376361), (746, 27092408), (1204, 16786492), (1492, 13546204), (2408, 8393246), (2611, 7740688), (2984, 6773102), (4816, 4196623), (5222, 3870344), (5968, 3386551), (10444, 1935172), (11251, 1796368), (16039, 1260112), (20888, 967586), (22502, 898184), (32078, 630056), (41776, 483793), (45004, 449092), (64156, 315028), (78757, 256624), (90008, 224546), (112273, 180016), (128312, 157514)]