20430128

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{14347}}^1$

素因数の和:14444

約数の個数: 20

約数和(自身を含む): 40030920

約数和(自身を除く): 19600792

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 14347, 28694, 57388, 114776, 229552, 1276883, 2553766, 5107532, 10215064, 20430128]

約数ペア:

[(1, 20430128), (2, 10215064), (4, 5107532), (8, 2553766), (16, 1276883), (89, 229552), (178, 114776), (356, 57388), (712, 28694), (1424, 14347)]