20502408

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1621}}^1$

素因数の和:1678

約数の個数: 64

約数和(自身を含む): 56056320

約数和(自身を除く): 35553912

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 31, 34, 51, 62, 68, 93, 102, 124, 136, 186, 204, 248, 372, 408, 527, 744, 1054, 1581, 1621, 2108, 3162, 3242, 4216, 4863, 6324, 6484, 9726, 12648, 12968, 19452, 27557, 38904, 50251, 55114, 82671, 100502, 110228, 150753, 165342, 201004, 220456, 301506, 330684, 402008, 603012, 661368, 854267, 1206024, 1708534, 2562801, 3417068, 5125602, 6834136, 10251204, 20502408]

約数ペア:

[(1, 20502408), (2, 10251204), (3, 6834136), (4, 5125602), (6, 3417068), (8, 2562801), (12, 1708534), (17, 1206024), (24, 854267), (31, 661368), (34, 603012), (51, 402008), (62, 330684), (68, 301506), (93, 220456), (102, 201004), (124, 165342), (136, 150753), (186, 110228), (204, 100502), (248, 82671), (372, 55114), (408, 50251), (527, 38904), (744, 27557), (1054, 19452), (1581, 12968), (1621, 12648), (2108, 9726), (3162, 6484), (3242, 6324), (4216, 4863)]