20790216

素因数分解:

$2^3\times 3^3\times {\mathrm{29}}^1\times {\mathrm{3319}}^1$

素因数の和:3363

約数の個数: 64

約数和(自身を含む): 59760000

約数和(自身を除く): 38969784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 29, 36, 54, 58, 72, 87, 108, 116, 174, 216, 232, 261, 348, 522, 696, 783, 1044, 1566, 2088, 3132, 3319, 6264, 6638, 9957, 13276, 19914, 26552, 29871, 39828, 59742, 79656, 89613, 96251, 119484, 179226, 192502, 238968, 288753, 358452, 385004, 577506, 716904, 770008, 866259, 1155012, 1732518, 2310024, 2598777, 3465036, 5197554, 6930072, 10395108, 20790216]

約数ペア:

[(1, 20790216), (2, 10395108), (3, 6930072), (4, 5197554), (6, 3465036), (8, 2598777), (9, 2310024), (12, 1732518), (18, 1155012), (24, 866259), (27, 770008), (29, 716904), (36, 577506), (54, 385004), (58, 358452), (72, 288753), (87, 238968), (108, 192502), (116, 179226), (174, 119484), (216, 96251), (232, 89613), (261, 79656), (348, 59742), (522, 39828), (696, 29871), (783, 26552), (1044, 19914), (1566, 13276), (2088, 9957), (3132, 6638), (3319, 6264)]