20857558968

素因数分解:

$2^3\times 3^7\times {\mathrm{109}}^1\times {\mathrm{10937}}^1$

素因数の和:11073

約数の個数: 128

約数和(自身を含む): 59196456000

約数和(自身を除く): 38338897032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 109, 162, 216, 218, 243, 324, 327, 436, 486, 648, 654, 729, 872, 972, 981, 1308, 1458, 1944, 1962, 2187, 2616, 2916, 2943, 3924, 4374, 5832, 5886, 7848, 8748, 8829, 10937, 11772, 17496, 17658, 21874, 23544, 26487, 32811, 35316, 43748, 52974, 65622, 70632, 79461, 87496, 98433, 105948, 131244, 158922, 196866, 211896, 238383, 262488, 295299, 317844, 393732, 476766, 590598, 635688, 787464, 885897, 953532, 1181196, 1192133, 1771794, 1907064, 2362392, 2384266, 2657691, 3543588, 3576399, 4768532, 5315382, 7087176, 7152798, 7973073, 9537064, 10630764, 10729197, 14305596, 15946146, 21261528, 21458394, 23919219, 28611192, 31892292, 32187591, 42916788, 47838438, 63784584, 64375182, 85833576, 95676876, 96562773, 128750364, 191353752, 193125546, 257500728, 289688319, 386251092, 579376638, 772502184, 869064957, 1158753276, 1738129914, 2317506552, 2607194871, 3476259828, 5214389742, 6952519656, 10428779484, 20857558968]

約数ペア:

[(1, 20857558968), (2, 10428779484), (3, 6952519656), (4, 5214389742), (6, 3476259828), (8, 2607194871), (9, 2317506552), (12, 1738129914), (18, 1158753276), (24, 869064957), (27, 772502184), (36, 579376638), (54, 386251092), (72, 289688319), (81, 257500728), (108, 193125546), (109, 191353752), (162, 128750364), (216, 96562773), (218, 95676876), (243, 85833576), (324, 64375182), (327, 63784584), (436, 47838438), (486, 42916788), (648, 32187591), (654, 31892292), (729, 28611192), (872, 23919219), (972, 21458394), (981, 21261528), (1308, 15946146), (1458, 14305596), (1944, 10729197), (1962, 10630764), (2187, 9537064), (2616, 7973073), (2916, 7152798), (2943, 7087176), (3924, 5315382), (4374, 4768532), (5832, 3576399), (5886, 3543588), (7848, 2657691), (8748, 2384266), (8829, 2362392), (10937, 1907064), (11772, 1771794), (17496, 1192133), (17658, 1181196), (21874, 953532), (23544, 885897), (26487, 787464), (32811, 635688), (35316, 590598), (43748, 476766), (52974, 393732), (65622, 317844), (70632, 295299), (79461, 262488), (87496, 238383), (98433, 211896), (105948, 196866), (131244, 158922)]