20841464

素因数分解:

$2^3\times 7^2\times {\mathrm{79}}^1\times {\mathrm{673}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 46101600

約数和(自身を除く): 25260136

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 79, 98, 158, 196, 316, 392, 553, 632, 673, 1106, 1346, 2212, 2692, 3871, 4424, 4711, 5384, 7742, 9422, 15484, 18844, 30968, 32977, 37688, 53167, 65954, 106334, 131908, 212668, 263816, 372169, 425336, 744338, 1488676, 2605183, 2977352, 5210366, 10420732, 20841464]

約数ペア:

[(1, 20841464), (2, 10420732), (4, 5210366), (7, 2977352), (8, 2605183), (14, 1488676), (28, 744338), (49, 425336), (56, 372169), (79, 263816), (98, 212668), (158, 131908), (196, 106334), (316, 65954), (392, 53167), (553, 37688), (632, 32977), (673, 30968), (1106, 18844), (1346, 15484), (2212, 9422), (2692, 7742), (3871, 5384), (4424, 4711)]