20354862

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{23}}^2\times {\mathrm{53}}^1$

素因数の和:126

約数の個数: 72

約数和(自身を含む): 47659752

約数和(自身を除く): 27304890

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 53, 66, 69, 106, 121, 138, 159, 242, 253, 318, 363, 506, 529, 583, 726, 759, 1058, 1166, 1219, 1518, 1587, 1749, 2438, 2783, 3174, 3498, 3657, 5566, 5819, 6413, 7314, 8349, 11638, 12826, 13409, 16698, 17457, 19239, 26818, 28037, 34914, 38478, 40227, 56074, 64009, 80454, 84111, 128018, 147499, 168222, 192027, 294998, 308407, 384054, 442497, 616814, 884994, 925221, 1850442, 3392477, 6784954, 10177431, 20354862]

約数ペア:

[(1, 20354862), (2, 10177431), (3, 6784954), (6, 3392477), (11, 1850442), (22, 925221), (23, 884994), (33, 616814), (46, 442497), (53, 384054), (66, 308407), (69, 294998), (106, 192027), (121, 168222), (138, 147499), (159, 128018), (242, 84111), (253, 80454), (318, 64009), (363, 56074), (506, 40227), (529, 38478), (583, 34914), (726, 28037), (759, 26818), (1058, 19239), (1166, 17457), (1219, 16698), (1518, 13409), (1587, 12826), (1749, 11638), (2438, 8349), (2783, 7314), (3174, 6413), (3498, 5819), (3657, 5566)]