20354288224

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{634169}}^1$

素因数の和:634255

約数の個数: 48

約数和(自身を含む): 43148926800

約数和(自身を除く): 22794638576

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 59, 68, 118, 136, 236, 272, 472, 544, 944, 1003, 1888, 2006, 4012, 8024, 16048, 32096, 634169, 1268338, 2536676, 5073352, 10146704, 10780873, 20293408, 21561746, 37415971, 43123492, 74831942, 86246984, 149663884, 172493968, 299327768, 344987936, 598655536, 636071507, 1197311072, 1272143014, 2544286028, 5088572056, 10177144112, 20354288224]

約数ペア:

[(1, 20354288224), (2, 10177144112), (4, 5088572056), (8, 2544286028), (16, 1272143014), (17, 1197311072), (32, 636071507), (34, 598655536), (59, 344987936), (68, 299327768), (118, 172493968), (136, 149663884), (236, 86246984), (272, 74831942), (472, 43123492), (544, 37415971), (944, 21561746), (1003, 20293408), (1888, 10780873), (2006, 10146704), (4012, 5073352), (8024, 2536676), (16048, 1268338), (32096, 634169)]