20797848

素因数分解:

$2^3\times 3^2\times {\mathrm{37}}^2\times {\mathrm{211}}^1$

素因数の和:297

約数の個数: 72

約数和(自身を含む): 58165380

約数和(自身を除く): 37367532

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 37, 72, 74, 111, 148, 211, 222, 296, 333, 422, 444, 633, 666, 844, 888, 1266, 1332, 1369, 1688, 1899, 2532, 2664, 2738, 3798, 4107, 5064, 5476, 7596, 7807, 8214, 10952, 12321, 15192, 15614, 16428, 23421, 24642, 31228, 32856, 46842, 49284, 62456, 70263, 93684, 98568, 140526, 187368, 281052, 288859, 562104, 577718, 866577, 1155436, 1733154, 2310872, 2599731, 3466308, 5199462, 6932616, 10398924, 20797848]

約数ペア:

[(1, 20797848), (2, 10398924), (3, 6932616), (4, 5199462), (6, 3466308), (8, 2599731), (9, 2310872), (12, 1733154), (18, 1155436), (24, 866577), (36, 577718), (37, 562104), (72, 288859), (74, 281052), (111, 187368), (148, 140526), (211, 98568), (222, 93684), (296, 70263), (333, 62456), (422, 49284), (444, 46842), (633, 32856), (666, 31228), (844, 24642), (888, 23421), (1266, 16428), (1332, 15614), (1369, 15192), (1688, 12321), (1899, 10952), (2532, 8214), (2664, 7807), (2738, 7596), (3798, 5476), (4107, 5064)]