20739528036

素因数分解:

$2^2\times 3^6\times {\mathrm{1487}}^1\times {\mathrm{4783}}^1$

素因数の和:6292

約数の個数: 84

約数和(自身を含む): 54464347392

約数和(自身を除く): 33724819356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 1487, 2916, 2974, 4461, 4783, 5948, 8922, 9566, 13383, 14349, 17844, 19132, 26766, 28698, 40149, 43047, 53532, 57396, 80298, 86094, 120447, 129141, 160596, 172188, 240894, 258282, 361341, 387423, 481788, 516564, 722682, 774846, 1084023, 1162269, 1445364, 1549692, 2168046, 2324538, 3486807, 4336092, 4649076, 6973614, 7112321, 13947228, 14224642, 21336963, 28449284, 42673926, 64010889, 85347852, 128021778, 192032667, 256043556, 384065334, 576098001, 768130668, 1152196002, 1728294003, 2304392004, 3456588006, 5184882009, 6913176012, 10369764018, 20739528036]

約数ペア:

[(1, 20739528036), (2, 10369764018), (3, 6913176012), (4, 5184882009), (6, 3456588006), (9, 2304392004), (12, 1728294003), (18, 1152196002), (27, 768130668), (36, 576098001), (54, 384065334), (81, 256043556), (108, 192032667), (162, 128021778), (243, 85347852), (324, 64010889), (486, 42673926), (729, 28449284), (972, 21336963), (1458, 14224642), (1487, 13947228), (2916, 7112321), (2974, 6973614), (4461, 4649076), (4783, 4336092), (5948, 3486807), (8922, 2324538), (9566, 2168046), (13383, 1549692), (14349, 1445364), (17844, 1162269), (19132, 1084023), (26766, 774846), (28698, 722682), (40149, 516564), (43047, 481788), (53532, 387423), (57396, 361341), (80298, 258282), (86094, 240894), (120447, 172188), (129141, 160596)]