20543868

素因数分解:

$2^2\times 3^4\times {\mathrm{163}}^1\times {\mathrm{389}}^1$

素因数の和:568

約数の個数: 60

約数和(自身を含む): 54174120

約数和(自身を除く): 33630252

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 163, 324, 326, 389, 489, 652, 778, 978, 1167, 1467, 1556, 1956, 2334, 2934, 3501, 4401, 4668, 5868, 7002, 8802, 10503, 13203, 14004, 17604, 21006, 26406, 31509, 42012, 52812, 63018, 63407, 126036, 126814, 190221, 253628, 380442, 570663, 760884, 1141326, 1711989, 2282652, 3423978, 5135967, 6847956, 10271934, 20543868]

約数ペア:

[(1, 20543868), (2, 10271934), (3, 6847956), (4, 5135967), (6, 3423978), (9, 2282652), (12, 1711989), (18, 1141326), (27, 760884), (36, 570663), (54, 380442), (81, 253628), (108, 190221), (162, 126814), (163, 126036), (324, 63407), (326, 63018), (389, 52812), (489, 42012), (652, 31509), (778, 26406), (978, 21006), (1167, 17604), (1467, 14004), (1556, 13203), (1956, 10503), (2334, 8802), (2934, 7002), (3501, 5868), (4401, 4668)]