20147244

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:215

約数の個数: 96

約数和(自身を含む): 54867456

約数和(自身を除く): 34720212

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 71, 78, 102, 107, 142, 156, 204, 213, 214, 221, 284, 321, 426, 428, 442, 642, 663, 852, 884, 923, 1207, 1284, 1326, 1391, 1819, 1846, 2414, 2652, 2769, 2782, 3621, 3638, 3692, 4173, 4828, 5457, 5538, 5564, 7242, 7276, 7597, 8346, 10914, 11076, 14484, 15194, 15691, 16692, 21828, 22791, 23647, 30388, 31382, 45582, 47073, 47294, 62764, 70941, 91164, 94146, 94588, 98761, 129149, 141882, 188292, 197522, 258298, 283764, 296283, 387447, 395044, 516596, 592566, 774894, 1185132, 1549788, 1678937, 3357874, 5036811, 6715748, 10073622, 20147244]

約数ペア:

[(1, 20147244), (2, 10073622), (3, 6715748), (4, 5036811), (6, 3357874), (12, 1678937), (13, 1549788), (17, 1185132), (26, 774894), (34, 592566), (39, 516596), (51, 395044), (52, 387447), (68, 296283), (71, 283764), (78, 258298), (102, 197522), (107, 188292), (142, 141882), (156, 129149), (204, 98761), (213, 94588), (214, 94146), (221, 91164), (284, 70941), (321, 62764), (426, 47294), (428, 47073), (442, 45582), (642, 31382), (663, 30388), (852, 23647), (884, 22791), (923, 21828), (1207, 16692), (1284, 15691), (1326, 15194), (1391, 14484), (1819, 11076), (1846, 10914), (2414, 8346), (2652, 7597), (2769, 7276), (2782, 7242), (3621, 5564), (3638, 5538), (3692, 5457), (4173, 4828)]