20149688

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{619}}^1$

素因数の和:951

約数の個数: 32

約数和(自身を含む): 40882800

約数和(自身を除く): 20733112

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 313, 619, 626, 1238, 1252, 2476, 2504, 4069, 4952, 8047, 8138, 16094, 16276, 32188, 32552, 64376, 193747, 387494, 774988, 1549976, 2518711, 5037422, 10074844, 20149688]

約数ペア:

[(1, 20149688), (2, 10074844), (4, 5037422), (8, 2518711), (13, 1549976), (26, 774988), (52, 387494), (104, 193747), (313, 64376), (619, 32552), (626, 32188), (1238, 16276), (1252, 16094), (2476, 8138), (2504, 8047), (4069, 4952)]