20020624

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{953}}^1$

素因数の和:1075

約数の個数: 40

約数和(自身を含む): 42231672

約数和(自身を除く): 22211048

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 101, 104, 202, 208, 404, 808, 953, 1313, 1616, 1906, 2626, 3812, 5252, 7624, 10504, 12389, 15248, 21008, 24778, 49556, 96253, 99112, 192506, 198224, 385012, 770024, 1251289, 1540048, 2502578, 5005156, 10010312, 20020624]

約数ペア:

[(1, 20020624), (2, 10010312), (4, 5005156), (8, 2502578), (13, 1540048), (16, 1251289), (26, 770024), (52, 385012), (101, 198224), (104, 192506), (202, 99112), (208, 96253), (404, 49556), (808, 24778), (953, 21008), (1313, 15248), (1616, 12389), (1906, 10504), (2626, 7624), (3812, 5252)]