20332312

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2539}}^1$

素因数の和:2576

約数の個数: 64

約数和(自身を含む): 51206400

約数和(自身を除く): 30874088

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 143, 154, 182, 286, 308, 364, 572, 616, 728, 1001, 1144, 2002, 2539, 4004, 5078, 8008, 10156, 17773, 20312, 27929, 33007, 35546, 55858, 66014, 71092, 111716, 132028, 142184, 195503, 223432, 231049, 264056, 363077, 391006, 462098, 726154, 782012, 924196, 1452308, 1564024, 1848392, 2541539, 2904616, 5083078, 10166156, 20332312]

約数ペア:

[(1, 20332312), (2, 10166156), (4, 5083078), (7, 2904616), (8, 2541539), (11, 1848392), (13, 1564024), (14, 1452308), (22, 924196), (26, 782012), (28, 726154), (44, 462098), (52, 391006), (56, 363077), (77, 264056), (88, 231049), (91, 223432), (104, 195503), (143, 142184), (154, 132028), (182, 111716), (286, 71092), (308, 66014), (364, 55858), (572, 35546), (616, 33007), (728, 27929), (1001, 20312), (1144, 17773), (2002, 10156), (2539, 8008), (4004, 5078)]