20199821216

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{1879}}^1\times {\mathrm{10837}}^1$

素因数の和:12757

約数の個数: 48

約数和(自身を含む): 41076887040

約数和(自身を除く): 20877065824

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 992, 1879, 3758, 7516, 10837, 15032, 21674, 30064, 43348, 58249, 60128, 86696, 116498, 173392, 232996, 335947, 346784, 465992, 671894, 931984, 1343788, 1863968, 2687576, 5375152, 10750304, 20362723, 40725446, 81450892, 162901784, 325803568, 631244413, 651607136, 1262488826, 2524977652, 5049955304, 10099910608, 20199821216]

約数ペア:

[(1, 20199821216), (2, 10099910608), (4, 5049955304), (8, 2524977652), (16, 1262488826), (31, 651607136), (32, 631244413), (62, 325803568), (124, 162901784), (248, 81450892), (496, 40725446), (992, 20362723), (1879, 10750304), (3758, 5375152), (7516, 2687576), (10837, 1863968), (15032, 1343788), (21674, 931984), (30064, 671894), (43348, 465992), (58249, 346784), (60128, 335947), (86696, 232996), (116498, 173392)]