20215387616

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{283669}}^1$

素因数の和:283827

約数の個数: 48

約数和(自身を含む): 42461994960

約数和(自身を除く): 22246607344

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 131, 136, 262, 272, 524, 544, 1048, 2096, 2227, 4192, 4454, 8908, 17816, 35632, 71264, 283669, 567338, 1134676, 2269352, 4538704, 4822373, 9077408, 9644746, 19289492, 37160639, 38578984, 74321278, 77157968, 148642556, 154315936, 297285112, 594570224, 631730863, 1189140448, 1263461726, 2526923452, 5053846904, 10107693808, 20215387616]

約数ペア:

[(1, 20215387616), (2, 10107693808), (4, 5053846904), (8, 2526923452), (16, 1263461726), (17, 1189140448), (32, 631730863), (34, 594570224), (68, 297285112), (131, 154315936), (136, 148642556), (262, 77157968), (272, 74321278), (524, 38578984), (544, 37160639), (1048, 19289492), (2096, 9644746), (2227, 9077408), (4192, 4822373), (4454, 4538704), (8908, 2269352), (17816, 1134676), (35632, 567338), (71264, 283669)]