20019174916

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{811}}^1\times {\mathrm{15313}}^1$

素因数の和:16172

約数の個数: 48

約数和(自身を含む): 38996059648

約数和(自身を除く): 18976884732

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 811, 1612, 1622, 3244, 10543, 15313, 21086, 25141, 30626, 42172, 50282, 61252, 100564, 199069, 326833, 398138, 474703, 653666, 796276, 949406, 1307332, 1898812, 6171139, 12342278, 12418843, 24684556, 24837686, 49675372, 161444959, 322889918, 384984133, 645779836, 769968266, 1539936532, 5004793729, 10009587458, 20019174916]

約数ペア:

[(1, 20019174916), (2, 10009587458), (4, 5004793729), (13, 1539936532), (26, 769968266), (31, 645779836), (52, 384984133), (62, 322889918), (124, 161444959), (403, 49675372), (806, 24837686), (811, 24684556), (1612, 12418843), (1622, 12342278), (3244, 6171139), (10543, 1898812), (15313, 1307332), (21086, 949406), (25141, 796276), (30626, 653666), (42172, 474703), (50282, 398138), (61252, 326833), (100564, 199069)]