20804948280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19263841}}^1$

素因数の和:19263861

約数の個数: 64

約数和(自身を含む): 69349831200

約数和(自身を除く): 48544882920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 19263841, 38527682, 57791523, 77055364, 96319205, 115583046, 154110728, 173374569, 192638410, 231166092, 288957615, 346749138, 385276820, 462332184, 520123707, 577915230, 693498276, 770553640, 866872845, 1040247414, 1155830460, 1386996552, 1733745690, 2080494828, 2311660920, 2600618535, 3467491380, 4160989656, 5201237070, 6934982760, 10402474140, 20804948280]

約数ペア:

[(1, 20804948280), (2, 10402474140), (3, 6934982760), (4, 5201237070), (5, 4160989656), (6, 3467491380), (8, 2600618535), (9, 2311660920), (10, 2080494828), (12, 1733745690), (15, 1386996552), (18, 1155830460), (20, 1040247414), (24, 866872845), (27, 770553640), (30, 693498276), (36, 577915230), (40, 520123707), (45, 462332184), (54, 385276820), (60, 346749138), (72, 288957615), (90, 231166092), (108, 192638410), (120, 173374569), (135, 154110728), (180, 115583046), (216, 96319205), (270, 77055364), (360, 57791523), (540, 38527682), (1080, 19263841)]