20154294714

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1\times {\mathrm{941}}^1$

素因数の和:1567

約数の個数: 64

約数和(自身を含む): 41406099840

約数和(自身を除く): 21251805126

約数列:

[1, 2, 3, 6, 61, 122, 139, 183, 278, 366, 417, 421, 834, 842, 941, 1263, 1882, 2526, 2823, 5646, 8479, 16958, 25437, 25681, 50874, 51362, 57401, 58519, 77043, 114802, 117038, 130799, 154086, 172203, 175557, 261598, 344406, 351114, 392397, 396161, 784794, 792322, 1188483, 2376966, 3569659, 7139318, 7978739, 10708977, 15957478, 21417954, 23936217, 24165821, 47872434, 48331642, 55066379, 72497463, 110132758, 144994926, 165199137, 330398274, 3359049119, 6718098238, 10077147357, 20154294714]

約数ペア:

[(1, 20154294714), (2, 10077147357), (3, 6718098238), (6, 3359049119), (61, 330398274), (122, 165199137), (139, 144994926), (183, 110132758), (278, 72497463), (366, 55066379), (417, 48331642), (421, 47872434), (834, 24165821), (842, 23936217), (941, 21417954), (1263, 15957478), (1882, 10708977), (2526, 7978739), (2823, 7139318), (5646, 3569659), (8479, 2376966), (16958, 1188483), (25437, 792322), (25681, 784794), (50874, 396161), (51362, 392397), (57401, 351114), (58519, 344406), (77043, 261598), (114802, 175557), (117038, 172203), (130799, 154086)]