20178836864

素因数分解:

$2^7\times {\mathrm{101}}^1\times {\mathrm{1033}}^1\times {\mathrm{1511}}^1$

素因数の和:2659

約数の個数: 64

約数和(自身を含む): 40664242080

約数和(自身を除く): 20485405216

約数列:

[1, 2, 4, 8, 16, 32, 64, 101, 128, 202, 404, 808, 1033, 1511, 1616, 2066, 3022, 3232, 4132, 6044, 6464, 8264, 12088, 12928, 16528, 24176, 33056, 48352, 66112, 96704, 104333, 132224, 152611, 193408, 208666, 305222, 417332, 610444, 834664, 1220888, 1560863, 1669328, 2441776, 3121726, 3338656, 4883552, 6243452, 6677312, 9767104, 12486904, 13354624, 19534208, 24973808, 49947616, 99895232, 157647163, 199790464, 315294326, 630588652, 1261177304, 2522354608, 5044709216, 10089418432, 20178836864]

約数ペア:

[(1, 20178836864), (2, 10089418432), (4, 5044709216), (8, 2522354608), (16, 1261177304), (32, 630588652), (64, 315294326), (101, 199790464), (128, 157647163), (202, 99895232), (404, 49947616), (808, 24973808), (1033, 19534208), (1511, 13354624), (1616, 12486904), (2066, 9767104), (3022, 6677312), (3232, 6243452), (4132, 4883552), (6044, 3338656), (6464, 3121726), (8264, 2441776), (12088, 1669328), (12928, 1560863), (16528, 1220888), (24176, 834664), (33056, 610444), (48352, 417332), (66112, 305222), (96704, 208666), (104333, 193408), (132224, 152611)]