20189071360

素因数分解:

$2^{11}\times 5^1\times {\mathrm{1971589}}^1$

素因数の和:1971616

約数の個数: 48

約数和(自身を含む): 48441966300

約数和(自身を除く): 28252894940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 5120, 10240, 1971589, 3943178, 7886356, 9857945, 15772712, 19715890, 31545424, 39431780, 63090848, 78863560, 126181696, 157727120, 252363392, 315454240, 504726784, 630908480, 1009453568, 1261816960, 2018907136, 2523633920, 4037814272, 5047267840, 10094535680, 20189071360]

約数ペア:

[(1, 20189071360), (2, 10094535680), (4, 5047267840), (5, 4037814272), (8, 2523633920), (10, 2018907136), (16, 1261816960), (20, 1009453568), (32, 630908480), (40, 504726784), (64, 315454240), (80, 252363392), (128, 157727120), (160, 126181696), (256, 78863560), (320, 63090848), (512, 39431780), (640, 31545424), (1024, 19715890), (1280, 15772712), (2048, 9857945), (2560, 7886356), (5120, 3943178), (10240, 1971589)]