20355504

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{32621}}^1$

素因数の和:32645

約数の個数: 40

約数和(自身を含む): 56631792

約数和(自身を除く): 36276288

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 32621, 65242, 97863, 130484, 195726, 260968, 391452, 424073, 521936, 782904, 848146, 1272219, 1565808, 1696292, 2544438, 3392584, 5088876, 6785168, 10177752, 20355504]

約数ペア:

[(1, 20355504), (2, 10177752), (3, 6785168), (4, 5088876), (6, 3392584), (8, 2544438), (12, 1696292), (13, 1565808), (16, 1272219), (24, 848146), (26, 782904), (39, 521936), (48, 424073), (52, 391452), (78, 260968), (104, 195726), (156, 130484), (208, 97863), (312, 65242), (624, 32621)]