20806739898

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1\times {\mathrm{541}}^1$

素因数の和:964

約数の個数: 128

約数和(自身を含む): 49817518080

約数和(自身を除く): 29010778182

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 93, 109, 186, 217, 218, 271, 327, 434, 541, 542, 651, 654, 763, 813, 1082, 1302, 1526, 1623, 1626, 1897, 2289, 3246, 3379, 3787, 3794, 4578, 5691, 6758, 7574, 8401, 10137, 11361, 11382, 16771, 16802, 20274, 22722, 23653, 25203, 29539, 33542, 47306, 50313, 50406, 58807, 58969, 59078, 70959, 88617, 100626, 117397, 117614, 117938, 141918, 146611, 176421, 176907, 177234, 206773, 234794, 293222, 352191, 352842, 353814, 412783, 413546, 439833, 620319, 704382, 825566, 879666, 915709, 1026277, 1238349, 1240638, 1828039, 1831418, 2052554, 2476698, 2747127, 3078831, 3656078, 4544941, 5484117, 5494254, 6157662, 6409963, 9089882, 10968234, 12796273, 12819926, 13634823, 15980599, 19229889, 25592546, 27269646, 31814587, 31961198, 38388819, 38459778, 47941797, 63629174, 76777638, 95443761, 95883594, 111864193, 190887522, 223728386, 335592579, 495398569, 671185158, 990797138, 1486195707, 2972391414, 3467789983, 6935579966, 10403369949, 20806739898]

約数ペア:

[(1, 20806739898), (2, 10403369949), (3, 6935579966), (6, 3467789983), (7, 2972391414), (14, 1486195707), (21, 990797138), (31, 671185158), (42, 495398569), (62, 335592579), (93, 223728386), (109, 190887522), (186, 111864193), (217, 95883594), (218, 95443761), (271, 76777638), (327, 63629174), (434, 47941797), (541, 38459778), (542, 38388819), (651, 31961198), (654, 31814587), (763, 27269646), (813, 25592546), (1082, 19229889), (1302, 15980599), (1526, 13634823), (1623, 12819926), (1626, 12796273), (1897, 10968234), (2289, 9089882), (3246, 6409963), (3379, 6157662), (3787, 5494254), (3794, 5484117), (4578, 4544941), (5691, 3656078), (6758, 3078831), (7574, 2747127), (8401, 2476698), (10137, 2052554), (11361, 1831418), (11382, 1828039), (16771, 1240638), (16802, 1238349), (20274, 1026277), (22722, 915709), (23653, 879666), (25203, 825566), (29539, 704382), (33542, 620319), (47306, 439833), (50313, 413546), (50406, 412783), (58807, 353814), (58969, 352842), (59078, 352191), (70959, 293222), (88617, 234794), (100626, 206773), (117397, 177234), (117614, 176907), (117938, 176421), (141918, 146611)]