20050468672

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{777391}}^1$

素因数の和:777447

約数の個数: 56

約数和(自身を含む): 44230495232

約数和(自身を除く): 24180026560

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 208, 248, 403, 416, 496, 806, 832, 992, 1612, 1984, 3224, 6448, 12896, 25792, 777391, 1554782, 3109564, 6219128, 10106083, 12438256, 20212166, 24099121, 24876512, 40424332, 48198242, 49753024, 80848664, 96396484, 161697328, 192792968, 313288573, 323394656, 385585936, 626577146, 646789312, 771171872, 1253154292, 1542343744, 2506308584, 5012617168, 10025234336, 20050468672]

約数ペア:

[(1, 20050468672), (2, 10025234336), (4, 5012617168), (8, 2506308584), (13, 1542343744), (16, 1253154292), (26, 771171872), (31, 646789312), (32, 626577146), (52, 385585936), (62, 323394656), (64, 313288573), (104, 192792968), (124, 161697328), (208, 96396484), (248, 80848664), (403, 49753024), (416, 48198242), (496, 40424332), (806, 24876512), (832, 24099121), (992, 20212166), (1612, 12438256), (1984, 10106083), (3224, 6219128), (6448, 3109564), (12896, 1554782), (25792, 777391)]