20189872

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{15973}}^1$

素因数の和:16060

約数の個数: 20

約数和(自身を含む): 39615520

約数和(自身を除く): 19425648

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 15973, 31946, 63892, 127784, 255568, 1261867, 2523734, 5047468, 10094936, 20189872]

約数ペア:

[(1, 20189872), (2, 10094936), (4, 5047468), (8, 2523734), (16, 1261867), (79, 255568), (158, 127784), (316, 63892), (632, 31946), (1264, 15973)]