20280491210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{349}}^1\times {\mathrm{6337}}^1$

素因数の和:6831

約数の個数: 64

約数和(自身を含む): 42165446400

約数和(自身を除く): 21884955190

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 131, 262, 349, 655, 698, 917, 1310, 1745, 1834, 2443, 3490, 4585, 4886, 6337, 9170, 12215, 12674, 24430, 31685, 44359, 45719, 63370, 88718, 91438, 221795, 228595, 320033, 443590, 457190, 640066, 830147, 1600165, 1660294, 2211613, 3200330, 4150735, 4423226, 5811029, 8301470, 11058065, 11622058, 15481291, 22116130, 29055145, 30962582, 58110290, 77406455, 154812910, 289721303, 579442606, 1448606515, 2028049121, 2897213030, 4056098242, 10140245605, 20280491210]

約数ペア:

[(1, 20280491210), (2, 10140245605), (5, 4056098242), (7, 2897213030), (10, 2028049121), (14, 1448606515), (35, 579442606), (70, 289721303), (131, 154812910), (262, 77406455), (349, 58110290), (655, 30962582), (698, 29055145), (917, 22116130), (1310, 15481291), (1745, 11622058), (1834, 11058065), (2443, 8301470), (3490, 5811029), (4585, 4423226), (4886, 4150735), (6337, 3200330), (9170, 2211613), (12215, 1660294), (12674, 1600165), (24430, 830147), (31685, 640066), (44359, 457190), (45719, 443590), (63370, 320033), (88718, 228595), (91438, 221795)]