20178390843

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{499}}^1\times {\mathrm{5009}}^1$

素因数の和:5553

約数の個数: 64

約数和(自身を含む): 33667200000

約数和(自身を除く): 13488809157

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 117, 207, 299, 351, 499, 621, 897, 1497, 2691, 4491, 5009, 6487, 8073, 11477, 13473, 15027, 19461, 34431, 45081, 58383, 65117, 103293, 115207, 135243, 149201, 175149, 195351, 309879, 345621, 447603, 586053, 1036863, 1342809, 1497691, 1758159, 2499491, 3110589, 4028427, 4493073, 7498473, 13479219, 22495419, 32493383, 40437657, 57488293, 67486257, 97480149, 172464879, 292440447, 517394637, 747347809, 877321341, 1552183911, 2242043427, 6726130281, 20178390843]

約数ペア:

[(1, 20178390843), (3, 6726130281), (9, 2242043427), (13, 1552183911), (23, 877321341), (27, 747347809), (39, 517394637), (69, 292440447), (117, 172464879), (207, 97480149), (299, 67486257), (351, 57488293), (499, 40437657), (621, 32493383), (897, 22495419), (1497, 13479219), (2691, 7498473), (4491, 4493073), (5009, 4028427), (6487, 3110589), (8073, 2499491), (11477, 1758159), (13473, 1497691), (15027, 1342809), (19461, 1036863), (34431, 586053), (45081, 447603), (58383, 345621), (65117, 309879), (103293, 195351), (115207, 175149), (135243, 149201)]