20647582016

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{823}}^1\times {\mathrm{23059}}^1$

素因数の和:23911

約数の個数: 56

約数和(自身を含む): 43437291840

約数和(自身を除く): 22789709824

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 544, 823, 1088, 1646, 3292, 6584, 13168, 13991, 23059, 26336, 27982, 46118, 52672, 55964, 92236, 111928, 184472, 223856, 368944, 392003, 447712, 737888, 784006, 895424, 1475776, 1568012, 3136024, 6272048, 12544096, 18977557, 25088192, 37955114, 75910228, 151820456, 303640912, 322618469, 607281824, 645236938, 1214563648, 1290473876, 2580947752, 5161895504, 10323791008, 20647582016]

約数ペア:

[(1, 20647582016), (2, 10323791008), (4, 5161895504), (8, 2580947752), (16, 1290473876), (17, 1214563648), (32, 645236938), (34, 607281824), (64, 322618469), (68, 303640912), (136, 151820456), (272, 75910228), (544, 37955114), (823, 25088192), (1088, 18977557), (1646, 12544096), (3292, 6272048), (6584, 3136024), (13168, 1568012), (13991, 1475776), (23059, 895424), (26336, 784006), (27982, 737888), (46118, 447712), (52672, 392003), (55964, 368944), (92236, 223856), (111928, 184472)]