20002111490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{18223}}^1$

素因数の和:18411

約数の個数: 64

約数和(自身を含む): 38970201600

約数和(自身を除く): 18968090110

約数列:

[1, 2, 5, 10, 19, 38, 53, 95, 106, 109, 190, 218, 265, 530, 545, 1007, 1090, 2014, 2071, 4142, 5035, 5777, 10070, 10355, 11554, 18223, 20710, 28885, 36446, 57770, 91115, 109763, 182230, 219526, 346237, 548815, 692474, 965819, 1097630, 1731185, 1931638, 1986307, 3462370, 3972614, 4829095, 9658190, 9931535, 18350561, 19863070, 36701122, 37739833, 75479666, 91752805, 105274271, 183505610, 188699165, 210548542, 377398330, 526371355, 1052742710, 2000211149, 4000422298, 10001055745, 20002111490]

約数ペア:

[(1, 20002111490), (2, 10001055745), (5, 4000422298), (10, 2000211149), (19, 1052742710), (38, 526371355), (53, 377398330), (95, 210548542), (106, 188699165), (109, 183505610), (190, 105274271), (218, 91752805), (265, 75479666), (530, 37739833), (545, 36701122), (1007, 19863070), (1090, 18350561), (2014, 9931535), (2071, 9658190), (4142, 4829095), (5035, 3972614), (5777, 3462370), (10070, 1986307), (10355, 1931638), (11554, 1731185), (18223, 1097630), (20710, 965819), (28885, 692474), (36446, 548815), (57770, 346237), (91115, 219526), (109763, 182230)]