20199808

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{9283}}^1$

素因数の和:9314

約数の個数: 32

約数和(自身を含む): 42613560

約数和(自身を除く): 22413752

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 544, 1088, 2176, 9283, 18566, 37132, 74264, 148528, 157811, 297056, 315622, 594112, 631244, 1188224, 1262488, 2524976, 5049952, 10099904, 20199808]

約数ペア:

[(1, 20199808), (2, 10099904), (4, 5049952), (8, 2524976), (16, 1262488), (17, 1188224), (32, 631244), (34, 594112), (64, 315622), (68, 297056), (128, 157811), (136, 148528), (272, 74264), (544, 37132), (1088, 18566), (2176, 9283)]