20161945168

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{1901}}^1\times {\mathrm{21383}}^1$

素因数の和:23323

約数の個数: 40

約数和(自身を含む): 40346989056

約数和(自身を除く): 20185043888

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 1901, 3802, 7604, 15208, 21383, 30416, 42766, 58931, 85532, 117862, 171064, 235724, 342128, 471448, 662873, 942896, 1325746, 2651492, 5302984, 10605968, 40649083, 81298166, 162596332, 325192664, 650385328, 1260121573, 2520243146, 5040486292, 10080972584, 20161945168]

約数ペア:

[(1, 20161945168), (2, 10080972584), (4, 5040486292), (8, 2520243146), (16, 1260121573), (31, 650385328), (62, 325192664), (124, 162596332), (248, 81298166), (496, 40649083), (1901, 10605968), (3802, 5302984), (7604, 2651492), (15208, 1325746), (21383, 942896), (30416, 662873), (42766, 471448), (58931, 342128), (85532, 235724), (117862, 171064)]