20047897712

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{157}}^1\times {\mathrm{70627}}^1$

素因数の和:70905

約数の個数: 40

約数和(自身を含む): 39436697616

約数和(自身を除く): 19388799904

約数列:

[1, 2, 4, 8, 16, 113, 157, 226, 314, 452, 628, 904, 1256, 1808, 2512, 17741, 35482, 70627, 70964, 141254, 141928, 282508, 283856, 565016, 1130032, 7980851, 11088439, 15961702, 22176878, 31923404, 44353756, 63846808, 88707512, 127693616, 177415024, 1252993607, 2505987214, 5011974428, 10023948856, 20047897712]

約数ペア:

[(1, 20047897712), (2, 10023948856), (4, 5011974428), (8, 2505987214), (16, 1252993607), (113, 177415024), (157, 127693616), (226, 88707512), (314, 63846808), (452, 44353756), (628, 31923404), (904, 22176878), (1256, 15961702), (1808, 11088439), (2512, 7980851), (17741, 1130032), (35482, 565016), (70627, 283856), (70964, 282508), (141254, 141928)]