20131644032

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{38729}}^1$

素因数の和:38905

約数の個数: 64

約数和(自身を含む): 41716857600

約数和(自身を除く): 21585213568

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 131, 248, 262, 496, 524, 992, 1048, 1984, 2096, 3968, 4061, 4192, 8122, 8384, 16244, 16768, 32488, 38729, 64976, 77458, 129952, 154916, 259904, 309832, 519808, 619664, 1200599, 1239328, 2401198, 2478656, 4802396, 4957312, 5073499, 9604792, 10146998, 19209584, 20293996, 38419168, 40587992, 76838336, 81175984, 153676672, 157278469, 162351968, 314556938, 324703936, 629113876, 649407872, 1258227752, 2516455504, 5032911008, 10065822016, 20131644032]

約数ペア:

[(1, 20131644032), (2, 10065822016), (4, 5032911008), (8, 2516455504), (16, 1258227752), (31, 649407872), (32, 629113876), (62, 324703936), (64, 314556938), (124, 162351968), (128, 157278469), (131, 153676672), (248, 81175984), (262, 76838336), (496, 40587992), (524, 38419168), (992, 20293996), (1048, 19209584), (1984, 10146998), (2096, 9604792), (3968, 5073499), (4061, 4957312), (4192, 4802396), (8122, 2478656), (8384, 2401198), (16244, 1239328), (16768, 1200599), (32488, 619664), (38729, 519808), (64976, 309832), (77458, 259904), (129952, 154916)]