20161392976

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{1129}}^1\times {\mathrm{23747}}^1$

素因数の和:24931

約数の個数: 40

約数和(自身を含む): 39930837120

約数和(自身を除く): 19769444144

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 1129, 2258, 4516, 9032, 18064, 23747, 47494, 53063, 94988, 106126, 189976, 212252, 379952, 424504, 849008, 1116109, 2232218, 4464436, 8928872, 17857744, 26810363, 53620726, 107241452, 214482904, 428965808, 1260087061, 2520174122, 5040348244, 10080696488, 20161392976]

約数ペア:

[(1, 20161392976), (2, 10080696488), (4, 5040348244), (8, 2520174122), (16, 1260087061), (47, 428965808), (94, 214482904), (188, 107241452), (376, 53620726), (752, 26810363), (1129, 17857744), (2258, 8928872), (4516, 4464436), (9032, 2232218), (18064, 1116109), (23747, 849008), (47494, 424504), (53063, 379952), (94988, 212252), (106126, 189976)]