20397564

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2711}}^1$

素因数の和:2751

約数の個数: 72

約数和(自身を含む): 59230080

約数和(自身を除く): 38832516

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 33, 36, 38, 44, 57, 66, 76, 99, 114, 132, 171, 198, 209, 228, 342, 396, 418, 627, 684, 836, 1254, 1881, 2508, 2711, 3762, 5422, 7524, 8133, 10844, 16266, 24399, 29821, 32532, 48798, 51509, 59642, 89463, 97596, 103018, 119284, 154527, 178926, 206036, 268389, 309054, 357852, 463581, 536778, 566599, 618108, 927162, 1073556, 1133198, 1699797, 1854324, 2266396, 3399594, 5099391, 6799188, 10198782, 20397564]

約数ペア:

[(1, 20397564), (2, 10198782), (3, 6799188), (4, 5099391), (6, 3399594), (9, 2266396), (11, 1854324), (12, 1699797), (18, 1133198), (19, 1073556), (22, 927162), (33, 618108), (36, 566599), (38, 536778), (44, 463581), (57, 357852), (66, 309054), (76, 268389), (99, 206036), (114, 178926), (132, 154527), (171, 119284), (198, 103018), (209, 97596), (228, 89463), (342, 59642), (396, 51509), (418, 48798), (627, 32532), (684, 29821), (836, 24399), (1254, 16266), (1881, 10844), (2508, 8133), (2711, 7524), (3762, 5422)]