20154876462

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{2707}}^1\times {\mathrm{19697}}^1$

素因数の和:22422

約数の個数: 64

約数和(自身を含む): 51208496640

約数和(自身を除く): 31053620178

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 2707, 5414, 8121, 16242, 18949, 19697, 24363, 37898, 39394, 48726, 56847, 59091, 73089, 113694, 118182, 137879, 146178, 170541, 177273, 275758, 341082, 354546, 413637, 511623, 531819, 827274, 1023246, 1063638, 1240911, 2481822, 3722733, 7445466, 53319779, 106639558, 159959337, 319918674, 373238453, 479878011, 746476906, 959756022, 1119715359, 1439634033, 2239430718, 2879268066, 3359146077, 6718292154, 10077438231, 20154876462]

約数ペア:

[(1, 20154876462), (2, 10077438231), (3, 6718292154), (6, 3359146077), (7, 2879268066), (9, 2239430718), (14, 1439634033), (18, 1119715359), (21, 959756022), (27, 746476906), (42, 479878011), (54, 373238453), (63, 319918674), (126, 159959337), (189, 106639558), (378, 53319779), (2707, 7445466), (5414, 3722733), (8121, 2481822), (16242, 1240911), (18949, 1063638), (19697, 1023246), (24363, 827274), (37898, 531819), (39394, 511623), (48726, 413637), (56847, 354546), (59091, 341082), (73089, 275758), (113694, 177273), (118182, 170541), (137879, 146178)]