20647510144

素因数分解:

$2^7\times {\mathrm{89}}^1\times {\mathrm{1812457}}^1$

素因数の和:1812560

約数の個数: 32

約数和(自身を含む): 41595911100

約数和(自身を除く): 20948400956

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 128, 178, 356, 712, 1424, 2848, 5696, 11392, 1812457, 3624914, 7249828, 14499656, 28999312, 57998624, 115997248, 161308673, 231994496, 322617346, 645234692, 1290469384, 2580938768, 5161877536, 10323755072, 20647510144]

約数ペア:

[(1, 20647510144), (2, 10323755072), (4, 5161877536), (8, 2580938768), (16, 1290469384), (32, 645234692), (64, 322617346), (89, 231994496), (128, 161308673), (178, 115997248), (356, 57998624), (712, 28999312), (1424, 14499656), (2848, 7249828), (5696, 3624914), (11392, 1812457)]