20219967105

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{188189}}^1$

素因数の和:188258

約数の個数: 64

約数和(自身を含む): 37939104000

約数和(自身を除く): 17719136895

約数列:

[1, 3, 5, 13, 15, 19, 29, 39, 57, 65, 87, 95, 145, 195, 247, 285, 377, 435, 551, 741, 1131, 1235, 1653, 1885, 2755, 3705, 5655, 7163, 8265, 21489, 35815, 107445, 188189, 564567, 940945, 2446457, 2822835, 3575591, 5457481, 7339371, 10726773, 12232285, 16372443, 17877955, 27287405, 36696855, 46482683, 53633865, 70947253, 81862215, 103692139, 139448049, 212841759, 232413415, 311076417, 354736265, 518460695, 697240245, 1064208795, 1347997807, 1555382085, 4043993421, 6739989035, 20219967105]

約数ペア:

[(1, 20219967105), (3, 6739989035), (5, 4043993421), (13, 1555382085), (15, 1347997807), (19, 1064208795), (29, 697240245), (39, 518460695), (57, 354736265), (65, 311076417), (87, 232413415), (95, 212841759), (145, 139448049), (195, 103692139), (247, 81862215), (285, 70947253), (377, 53633865), (435, 46482683), (551, 36696855), (741, 27287405), (1131, 17877955), (1235, 16372443), (1653, 12232285), (1885, 10726773), (2755, 7339371), (3705, 5457481), (5655, 3575591), (7163, 2822835), (8265, 2446457), (21489, 940945), (35815, 564567), (107445, 188189)]