20536410908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{670511}}^1$

素因数の和:670578

約数の個数: 48

約数和(自身を含む): 42054512640

約数和(自身を除く): 21518101732

約数列:

[1, 2, 4, 13, 19, 26, 31, 38, 52, 62, 76, 124, 247, 403, 494, 589, 806, 988, 1178, 1612, 2356, 7657, 15314, 30628, 670511, 1341022, 2682044, 8716643, 12739709, 17433286, 20785841, 25479418, 34866572, 41571682, 50958836, 83143364, 165616217, 270215933, 331232434, 394930979, 540431866, 662464868, 789861958, 1080863732, 1579723916, 5134102727, 10268205454, 20536410908]

約数ペア:

[(1, 20536410908), (2, 10268205454), (4, 5134102727), (13, 1579723916), (19, 1080863732), (26, 789861958), (31, 662464868), (38, 540431866), (52, 394930979), (62, 331232434), (76, 270215933), (124, 165616217), (247, 83143364), (403, 50958836), (494, 41571682), (589, 34866572), (806, 25479418), (988, 20785841), (1178, 17433286), (1612, 12739709), (2356, 8716643), (7657, 2682044), (15314, 1341022), (30628, 670511)]