20039724

素因数分解:

$2^2\times 3^5\times {\mathrm{53}}^1\times {\mathrm{389}}^1$

素因数の和:461

約数の個数: 72

約数和(自身を含む): 53660880

約数和(自身を除く): 33621156

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 53, 54, 81, 106, 108, 159, 162, 212, 243, 318, 324, 389, 477, 486, 636, 778, 954, 972, 1167, 1431, 1556, 1908, 2334, 2862, 3501, 4293, 4668, 5724, 7002, 8586, 10503, 12879, 14004, 17172, 20617, 21006, 25758, 31509, 41234, 42012, 51516, 61851, 63018, 82468, 94527, 123702, 126036, 185553, 189054, 247404, 371106, 378108, 556659, 742212, 1113318, 1669977, 2226636, 3339954, 5009931, 6679908, 10019862, 20039724]

約数ペア:

[(1, 20039724), (2, 10019862), (3, 6679908), (4, 5009931), (6, 3339954), (9, 2226636), (12, 1669977), (18, 1113318), (27, 742212), (36, 556659), (53, 378108), (54, 371106), (81, 247404), (106, 189054), (108, 185553), (159, 126036), (162, 123702), (212, 94527), (243, 82468), (318, 63018), (324, 61851), (389, 51516), (477, 42012), (486, 41234), (636, 31509), (778, 25758), (954, 21006), (972, 20617), (1167, 17172), (1431, 14004), (1556, 12879), (1908, 10503), (2334, 8586), (2862, 7002), (3501, 5724), (4293, 4668)]