20121030704

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{4517}}^1\times {\mathrm{14653}}^1$

素因数の和:19197

約数の個数: 40

約数和(自身を含む): 41048198640

約数和(自身を除く): 20927167936

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 4517, 9034, 14653, 18068, 29306, 36136, 58612, 72272, 85823, 117224, 171646, 234448, 278407, 343292, 556814, 686584, 1113628, 1373168, 2227256, 4454512, 66187601, 132375202, 264750404, 529500808, 1059001616, 1257564419, 2515128838, 5030257676, 10060515352, 20121030704]

約数ペア:

[(1, 20121030704), (2, 10060515352), (4, 5030257676), (8, 2515128838), (16, 1257564419), (19, 1059001616), (38, 529500808), (76, 264750404), (152, 132375202), (304, 66187601), (4517, 4454512), (9034, 2227256), (14653, 1373168), (18068, 1113628), (29306, 686584), (36136, 556814), (58612, 343292), (72272, 278407), (85823, 234448), (117224, 171646)]