20354652

素因数分解:

$2^2\times 3^5\times {\mathrm{43}}^1\times {\mathrm{487}}^1$

素因数の和:549

約数の個数: 72

約数和(自身を含む): 54710656

約数和(自身を除く): 34356004

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 81, 86, 108, 129, 162, 172, 243, 258, 324, 387, 486, 487, 516, 774, 972, 974, 1161, 1461, 1548, 1948, 2322, 2922, 3483, 4383, 4644, 5844, 6966, 8766, 10449, 13149, 13932, 17532, 20898, 20941, 26298, 39447, 41796, 41882, 52596, 62823, 78894, 83764, 118341, 125646, 157788, 188469, 236682, 251292, 376938, 473364, 565407, 753876, 1130814, 1696221, 2261628, 3392442, 5088663, 6784884, 10177326, 20354652]

約数ペア:

[(1, 20354652), (2, 10177326), (3, 6784884), (4, 5088663), (6, 3392442), (9, 2261628), (12, 1696221), (18, 1130814), (27, 753876), (36, 565407), (43, 473364), (54, 376938), (81, 251292), (86, 236682), (108, 188469), (129, 157788), (162, 125646), (172, 118341), (243, 83764), (258, 78894), (324, 62823), (387, 52596), (486, 41882), (487, 41796), (516, 39447), (774, 26298), (972, 20941), (974, 20898), (1161, 17532), (1461, 13932), (1548, 13149), (1948, 10449), (2322, 8766), (2922, 6966), (3483, 5844), (4383, 4644)]