20535808

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{2111}}^1$

素因数の和:2148

約数の個数: 40

約数和(自身を含む): 43211520

約数和(自身を除く): 22675712

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 1216, 2111, 2432, 4222, 4864, 8444, 9728, 16888, 33776, 40109, 67552, 80218, 135104, 160436, 270208, 320872, 540416, 641744, 1080832, 1283488, 2566976, 5133952, 10267904, 20535808]

約数ペア:

[(1, 20535808), (2, 10267904), (4, 5133952), (8, 2566976), (16, 1283488), (19, 1080832), (32, 641744), (38, 540416), (64, 320872), (76, 270208), (128, 160436), (152, 135104), (256, 80218), (304, 67552), (512, 40109), (608, 33776), (1216, 16888), (2111, 9728), (2432, 8444), (4222, 4864)]