20796095536

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{677309}}^1$

素因数の和:677437

約数の個数: 40

約数和(自身を含む): 42833084400

約数和(自身を除く): 22036988864

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 101, 152, 202, 304, 404, 808, 1616, 1919, 3838, 7676, 15352, 30704, 677309, 1354618, 2709236, 5418472, 10836944, 12868871, 25737742, 51475484, 68408209, 102950968, 136816418, 205901936, 273632836, 547265672, 1094531344, 1299755971, 2599511942, 5199023884, 10398047768, 20796095536]

約数ペア:

[(1, 20796095536), (2, 10398047768), (4, 5199023884), (8, 2599511942), (16, 1299755971), (19, 1094531344), (38, 547265672), (76, 273632836), (101, 205901936), (152, 136816418), (202, 102950968), (304, 68408209), (404, 51475484), (808, 25737742), (1616, 12868871), (1919, 10836944), (3838, 5418472), (7676, 2709236), (15352, 1354618), (30704, 677309)]