20829121922

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1\times {\mathrm{2273}}^1$

素因数の和:2715

約数の個数: 64

約数和(自身を含む): 38233762560

約数和(自身を除く): 17404640638

約数列:

[1, 2, 7, 14, 17, 34, 119, 139, 238, 277, 278, 554, 973, 1939, 1946, 2273, 2363, 3878, 4546, 4709, 4726, 9418, 15911, 16541, 31822, 32963, 33082, 38503, 38641, 65926, 77006, 77282, 269521, 270487, 315947, 539042, 540974, 629621, 631894, 654551, 1259242, 1309102, 2211629, 4407347, 4423258, 4581857, 5371099, 8814694, 9163714, 10703557, 10742198, 21407114, 37597693, 74924899, 75195386, 87517319, 149849798, 175034638, 612621233, 1225242466, 1487794423, 2975588846, 10414560961, 20829121922]

約数ペア:

[(1, 20829121922), (2, 10414560961), (7, 2975588846), (14, 1487794423), (17, 1225242466), (34, 612621233), (119, 175034638), (139, 149849798), (238, 87517319), (277, 75195386), (278, 74924899), (554, 37597693), (973, 21407114), (1939, 10742198), (1946, 10703557), (2273, 9163714), (2363, 8814694), (3878, 5371099), (4546, 4581857), (4709, 4423258), (4726, 4407347), (9418, 2211629), (15911, 1309102), (16541, 1259242), (31822, 654551), (32963, 631894), (33082, 629621), (38503, 540974), (38641, 539042), (65926, 315947), (77006, 270487), (77282, 269521)]