20964290816

素因数分解:

$2^8\times 7^1\times {\mathrm{11698823}}^1$

素因数の和:11698846

約数の個数: 36

約数和(自身を含む): 47824792512

約数和(自身を除く): 26860501696

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 11698823, 23397646, 46795292, 81891761, 93590584, 163783522, 187181168, 327567044, 374362336, 655134088, 748724672, 1310268176, 1497449344, 2620536352, 2994898688, 5241072704, 10482145408, 20964290816]

約数ペア:

[(1, 20964290816), (2, 10482145408), (4, 5241072704), (7, 2994898688), (8, 2620536352), (14, 1497449344), (16, 1310268176), (28, 748724672), (32, 655134088), (56, 374362336), (64, 327567044), (112, 187181168), (128, 163783522), (224, 93590584), (256, 81891761), (448, 46795292), (896, 23397646), (1792, 11698823)]