20750004

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{859}}^1$

素因数の和:941

約数の個数: 72

約数和(自身を含む): 58225440

約数和(自身を除く): 37475436

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 61, 66, 99, 122, 132, 183, 198, 244, 366, 396, 549, 671, 732, 859, 1098, 1342, 1718, 2013, 2196, 2577, 2684, 3436, 4026, 5154, 6039, 7731, 8052, 9449, 10308, 12078, 15462, 18898, 24156, 28347, 30924, 37796, 52399, 56694, 85041, 104798, 113388, 157197, 170082, 209596, 314394, 340164, 471591, 576389, 628788, 943182, 1152778, 1729167, 1886364, 2305556, 3458334, 5187501, 6916668, 10375002, 20750004]

約数ペア:

[(1, 20750004), (2, 10375002), (3, 6916668), (4, 5187501), (6, 3458334), (9, 2305556), (11, 1886364), (12, 1729167), (18, 1152778), (22, 943182), (33, 628788), (36, 576389), (44, 471591), (61, 340164), (66, 314394), (99, 209596), (122, 170082), (132, 157197), (183, 113388), (198, 104798), (244, 85041), (366, 56694), (396, 52399), (549, 37796), (671, 30924), (732, 28347), (859, 24156), (1098, 18898), (1342, 15462), (1718, 12078), (2013, 10308), (2196, 9449), (2577, 8052), (2684, 7731), (3436, 6039), (4026, 5154)]