20512456929

素因数分解:

$3^7\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{10433}}^1$

素因数の和:10514

約数の個数: 64

約数和(自身を含む): 32854579200

約数和(自身を除く): 12342122271

約数列:

[1, 3, 9, 27, 29, 31, 81, 87, 93, 243, 261, 279, 729, 783, 837, 899, 2187, 2349, 2511, 2697, 7047, 7533, 8091, 10433, 21141, 22599, 24273, 31299, 63423, 67797, 72819, 93897, 218457, 281691, 302557, 323423, 655371, 845073, 907671, 970269, 1966113, 2535219, 2723013, 2910807, 7605657, 8169039, 8732421, 9379267, 22816971, 24507117, 26197263, 28137801, 73521351, 78591789, 84413403, 220564053, 235775367, 253240209, 661692159, 707326101, 759720627, 2279161881, 6837485643, 20512456929]

約数ペア:

[(1, 20512456929), (3, 6837485643), (9, 2279161881), (27, 759720627), (29, 707326101), (31, 661692159), (81, 253240209), (87, 235775367), (93, 220564053), (243, 84413403), (261, 78591789), (279, 73521351), (729, 28137801), (783, 26197263), (837, 24507117), (899, 22816971), (2187, 9379267), (2349, 8732421), (2511, 8169039), (2697, 7605657), (7047, 2910807), (7533, 2723013), (8091, 2535219), (10433, 1966113), (21141, 970269), (22599, 907671), (24273, 845073), (31299, 655371), (63423, 323423), (67797, 302557), (72819, 281691), (93897, 218457)]