20804590646

素因数分解:

$2^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1\times {\mathrm{701}}^1$

素因数の和:1101

約数の個数: 64

約数和(自身を含む): 36569594880

約数和(自身を除く): 15765004234

約数列:

[1, 2, 7, 14, 101, 139, 151, 202, 278, 302, 701, 707, 973, 1057, 1402, 1414, 1946, 2114, 4907, 9814, 14039, 15251, 20989, 28078, 30502, 41978, 70801, 97439, 98273, 105851, 106757, 141602, 146923, 194878, 196546, 211702, 213514, 293846, 495607, 682073, 740957, 991214, 1364146, 1481914, 2119889, 4239778, 9841339, 10690951, 14713289, 14839223, 19682678, 21381902, 29426578, 29678446, 68889373, 74836657, 102993023, 137778746, 149673314, 205986046, 1486042189, 2972084378, 10402295323, 20804590646]

約数ペア:

[(1, 20804590646), (2, 10402295323), (7, 2972084378), (14, 1486042189), (101, 205986046), (139, 149673314), (151, 137778746), (202, 102993023), (278, 74836657), (302, 68889373), (701, 29678446), (707, 29426578), (973, 21381902), (1057, 19682678), (1402, 14839223), (1414, 14713289), (1946, 10690951), (2114, 9841339), (4907, 4239778), (9814, 2119889), (14039, 1481914), (15251, 1364146), (20989, 991214), (28078, 740957), (30502, 682073), (41978, 495607), (70801, 293846), (97439, 213514), (98273, 211702), (105851, 196546), (106757, 194878), (141602, 146923)]