20668122

素因数分解:

$2^1\times 3^5\times {\mathrm{23}}^1\times {\mathrm{43}}^2$

素因数の和:126

約数の個数: 72

約数和(自身を含む): 49611744

約数和(自身を除く): 28943622

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 43, 46, 54, 69, 81, 86, 129, 138, 162, 207, 243, 258, 387, 414, 486, 621, 774, 989, 1161, 1242, 1849, 1863, 1978, 2322, 2967, 3483, 3698, 3726, 5547, 5589, 5934, 6966, 8901, 10449, 11094, 11178, 16641, 17802, 20898, 26703, 33282, 42527, 49923, 53406, 80109, 85054, 99846, 127581, 149769, 160218, 240327, 255162, 299538, 382743, 449307, 480654, 765486, 898614, 1148229, 2296458, 3444687, 6889374, 10334061, 20668122]

約数ペア:

[(1, 20668122), (2, 10334061), (3, 6889374), (6, 3444687), (9, 2296458), (18, 1148229), (23, 898614), (27, 765486), (43, 480654), (46, 449307), (54, 382743), (69, 299538), (81, 255162), (86, 240327), (129, 160218), (138, 149769), (162, 127581), (207, 99846), (243, 85054), (258, 80109), (387, 53406), (414, 49923), (486, 42527), (621, 33282), (774, 26703), (989, 20898), (1161, 17802), (1242, 16641), (1849, 11178), (1863, 11094), (1978, 10449), (2322, 8901), (2967, 6966), (3483, 5934), (3698, 5589), (3726, 5547)]