20213306816

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{18578407}}^1$

素因数の和:18578436

約数の個数: 28

約数和(自身を含む): 42470240688

約数和(自身を除く): 22256933872

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 544, 1088, 18578407, 37156814, 74313628, 148627256, 297254512, 315832919, 594509024, 631665838, 1189018048, 1263331676, 2526663352, 5053326704, 10106653408, 20213306816]

約数ペア:

[(1, 20213306816), (2, 10106653408), (4, 5053326704), (8, 2526663352), (16, 1263331676), (17, 1189018048), (32, 631665838), (34, 594509024), (64, 315832919), (68, 297254512), (136, 148627256), (272, 74313628), (544, 37156814), (1088, 18578407)]