20184484352

素因数分解:

$2^9\times {\mathrm{71}}^1\times {\mathrm{555251}}^1$

素因数の和:555340

約数の個数: 40

約数和(自身を含む): 40897641312

約数和(自身を除く): 20713156960

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 128, 142, 256, 284, 512, 568, 1136, 2272, 4544, 9088, 18176, 36352, 555251, 1110502, 2221004, 4442008, 8884016, 17768032, 35536064, 39422821, 71072128, 78845642, 142144256, 157691284, 284288512, 315382568, 630765136, 1261530272, 2523060544, 5046121088, 10092242176, 20184484352]

約数ペア:

[(1, 20184484352), (2, 10092242176), (4, 5046121088), (8, 2523060544), (16, 1261530272), (32, 630765136), (64, 315382568), (71, 284288512), (128, 157691284), (142, 142144256), (256, 78845642), (284, 71072128), (512, 39422821), (568, 35536064), (1136, 17768032), (2272, 8884016), (4544, 4442008), (9088, 2221004), (18176, 1110502), (36352, 555251)]