320440316

素因数分解:

$2^2\times 7^1\times {\mathrm{569}}^1\times {\mathrm{20113}}^1$

素因数の和:20693

約数の個数: 24

約数和(自身を含む): 642038880

約数和(自身を除く): 321598564

約数列:

[1, 2, 4, 7, 14, 28, 569, 1138, 2276, 3983, 7966, 15932, 20113, 40226, 80452, 140791, 281582, 563164, 11444297, 22888594, 45777188, 80110079, 160220158, 320440316]

約数ペア:

[(1, 320440316), (2, 160220158), (4, 80110079), (7, 45777188), (14, 22888594), (28, 11444297), (569, 563164), (1138, 281582), (2276, 140791), (3983, 80452), (7966, 40226), (15932, 20113)]