20178759528

素因数分解:

$2^3\times 3^4\times {\mathrm{433}}^1\times {\mathrm{71917}}^1$

素因数の和:72368

約数の個数: 80

約数和(自身を含む): 56650527780

約数和(自身を除く): 36471768252

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 433, 648, 866, 1299, 1732, 2598, 3464, 3897, 5196, 7794, 10392, 11691, 15588, 23382, 31176, 35073, 46764, 70146, 71917, 93528, 140292, 143834, 215751, 280584, 287668, 431502, 575336, 647253, 863004, 1294506, 1726008, 1941759, 2589012, 3883518, 5178024, 5825277, 7767036, 11650554, 15534072, 23301108, 31140061, 46602216, 62280122, 93420183, 124560244, 186840366, 249120488, 280260549, 373680732, 560521098, 747361464, 840781647, 1121042196, 1681563294, 2242084392, 2522344941, 3363126588, 5044689882, 6726253176, 10089379764, 20178759528]

約数ペア:

[(1, 20178759528), (2, 10089379764), (3, 6726253176), (4, 5044689882), (6, 3363126588), (8, 2522344941), (9, 2242084392), (12, 1681563294), (18, 1121042196), (24, 840781647), (27, 747361464), (36, 560521098), (54, 373680732), (72, 280260549), (81, 249120488), (108, 186840366), (162, 124560244), (216, 93420183), (324, 62280122), (433, 46602216), (648, 31140061), (866, 23301108), (1299, 15534072), (1732, 11650554), (2598, 7767036), (3464, 5825277), (3897, 5178024), (5196, 3883518), (7794, 2589012), (10392, 1941759), (11691, 1726008), (15588, 1294506), (23382, 863004), (31176, 647253), (35073, 575336), (46764, 431502), (70146, 287668), (71917, 280584), (93528, 215751), (140292, 143834)]