20404696

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6329}}^1$

素因数の和:6379

約数の個数: 32

約数和(自身を含む): 42537600

約数和(自身を除く): 22132904

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 6329, 12658, 25316, 50632, 82277, 164554, 196199, 329108, 392398, 658216, 784796, 1569592, 2550587, 5101174, 10202348, 20404696]

約数ペア:

[(1, 20404696), (2, 10202348), (4, 5101174), (8, 2550587), (13, 1569592), (26, 784796), (31, 658216), (52, 392398), (62, 329108), (104, 196199), (124, 164554), (248, 82277), (403, 50632), (806, 25316), (1612, 12658), (3224, 6329)]