20166484180

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1\times {\mathrm{1601}}^1$

素因数の和:1969

約数の個数: 96

約数和(自身を含む): 44762699520

約数和(自身を除く): 24596215340

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 139, 197, 230, 278, 394, 460, 556, 695, 788, 985, 1390, 1601, 1970, 2780, 3197, 3202, 3940, 4531, 6394, 6404, 8005, 9062, 12788, 15985, 16010, 18124, 22655, 27383, 31970, 32020, 36823, 45310, 54766, 63940, 73646, 90620, 109532, 136915, 147292, 184115, 222539, 273830, 315397, 368230, 445078, 547660, 629809, 630794, 736460, 890156, 1112695, 1259618, 1261588, 1576985, 2225390, 2519236, 3149045, 3153970, 4450780, 5118397, 6298090, 6307940, 7254131, 10236794, 12596180, 14508262, 20473588, 25591985, 29016524, 36270655, 43840183, 51183970, 72541310, 87680366, 102367940, 145082620, 175360732, 219200915, 438401830, 876803660, 1008324209, 2016648418, 4033296836, 5041621045, 10083242090, 20166484180]

約数ペア:

[(1, 20166484180), (2, 10083242090), (4, 5041621045), (5, 4033296836), (10, 2016648418), (20, 1008324209), (23, 876803660), (46, 438401830), (92, 219200915), (115, 175360732), (139, 145082620), (197, 102367940), (230, 87680366), (278, 72541310), (394, 51183970), (460, 43840183), (556, 36270655), (695, 29016524), (788, 25591985), (985, 20473588), (1390, 14508262), (1601, 12596180), (1970, 10236794), (2780, 7254131), (3197, 6307940), (3202, 6298090), (3940, 5118397), (4531, 4450780), (6394, 3153970), (6404, 3149045), (8005, 2519236), (9062, 2225390), (12788, 1576985), (15985, 1261588), (16010, 1259618), (18124, 1112695), (22655, 890156), (27383, 736460), (31970, 630794), (32020, 629809), (36823, 547660), (45310, 445078), (54766, 368230), (63940, 315397), (73646, 273830), (90620, 222539), (109532, 184115), (136915, 147292)]