20846970

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{373}}^1$

素因数の和:418

約数の個数: 96

約数和(自身を含む): 58810752

約数和(自身を除く): 37963782

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 81, 90, 115, 135, 138, 162, 207, 230, 243, 270, 345, 373, 405, 414, 486, 621, 690, 746, 810, 1035, 1119, 1215, 1242, 1863, 1865, 2070, 2238, 2430, 3105, 3357, 3726, 3730, 5589, 5595, 6210, 6714, 8579, 9315, 10071, 11178, 11190, 16785, 17158, 18630, 20142, 25737, 27945, 30213, 33570, 42895, 50355, 51474, 55890, 60426, 77211, 85790, 90639, 100710, 128685, 151065, 154422, 181278, 231633, 257370, 302130, 386055, 453195, 463266, 694899, 772110, 906390, 1158165, 1389798, 2084697, 2316330, 3474495, 4169394, 6948990, 10423485, 20846970]

約数ペア:

[(1, 20846970), (2, 10423485), (3, 6948990), (5, 4169394), (6, 3474495), (9, 2316330), (10, 2084697), (15, 1389798), (18, 1158165), (23, 906390), (27, 772110), (30, 694899), (45, 463266), (46, 453195), (54, 386055), (69, 302130), (81, 257370), (90, 231633), (115, 181278), (135, 154422), (138, 151065), (162, 128685), (207, 100710), (230, 90639), (243, 85790), (270, 77211), (345, 60426), (373, 55890), (405, 51474), (414, 50355), (486, 42895), (621, 33570), (690, 30213), (746, 27945), (810, 25737), (1035, 20142), (1119, 18630), (1215, 17158), (1242, 16785), (1863, 11190), (1865, 11178), (2070, 10071), (2238, 9315), (2430, 8579), (3105, 6714), (3357, 6210), (3726, 5595), (3730, 5589)]