20110545

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1637}}^1$

素因数の和:1671

約数の個数: 64

約数和(自身を含む): 44029440

約数和(自身を除く): 23918895

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 63, 65, 91, 105, 117, 135, 189, 195, 273, 315, 351, 455, 585, 819, 945, 1365, 1637, 1755, 2457, 4095, 4911, 8185, 11459, 12285, 14733, 21281, 24555, 34377, 44199, 57295, 63843, 73665, 103131, 106405, 148967, 171885, 191529, 220995, 309393, 319215, 446901, 515655, 574587, 744835, 957645, 1340703, 1546965, 2234505, 2872935, 4022109, 6703515, 20110545]

約数ペア:

[(1, 20110545), (3, 6703515), (5, 4022109), (7, 2872935), (9, 2234505), (13, 1546965), (15, 1340703), (21, 957645), (27, 744835), (35, 574587), (39, 515655), (45, 446901), (63, 319215), (65, 309393), (91, 220995), (105, 191529), (117, 171885), (135, 148967), (189, 106405), (195, 103131), (273, 73665), (315, 63843), (351, 57295), (455, 44199), (585, 34377), (819, 24555), (945, 21281), (1365, 14733), (1637, 12285), (1755, 11459), (2457, 8185), (4095, 4911)]