20682532

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 40748400

約数和(自身を除く): 20065868

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 89, 109, 164, 178, 218, 356, 436, 533, 1066, 1157, 1417, 2132, 2314, 2834, 3649, 4469, 4628, 5668, 7298, 8938, 9701, 14596, 17876, 19402, 38804, 47437, 58097, 94874, 116194, 126113, 189748, 232388, 252226, 397741, 504452, 795482, 1590964, 5170633, 10341266, 20682532]

約数ペア:

[(1, 20682532), (2, 10341266), (4, 5170633), (13, 1590964), (26, 795482), (41, 504452), (52, 397741), (82, 252226), (89, 232388), (109, 189748), (164, 126113), (178, 116194), (218, 94874), (356, 58097), (436, 47437), (533, 38804), (1066, 19402), (1157, 17876), (1417, 14596), (2132, 9701), (2314, 8938), (2834, 7298), (3649, 5668), (4469, 4628)]