20247948820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{226133}}^1$

素因数の和:226201

約数の個数: 72

約数和(自身を含む): 48001011912

約数和(自身を除く): 27753063092

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 121, 148, 185, 220, 242, 370, 407, 484, 605, 740, 814, 1210, 1628, 2035, 2420, 4070, 4477, 8140, 8954, 17908, 22385, 44770, 89540, 226133, 452266, 904532, 1130665, 2261330, 2487463, 4522660, 4974926, 8366921, 9949852, 12437315, 16733842, 24874630, 27362093, 33467684, 41834605, 49749260, 54724186, 83669210, 92036131, 109448372, 136810465, 167338420, 184072262, 273620930, 368144524, 460180655, 547241860, 920361310, 1012397441, 1840722620, 2024794882, 4049589764, 5061987205, 10123974410, 20247948820]

約数ペア:

[(1, 20247948820), (2, 10123974410), (4, 5061987205), (5, 4049589764), (10, 2024794882), (11, 1840722620), (20, 1012397441), (22, 920361310), (37, 547241860), (44, 460180655), (55, 368144524), (74, 273620930), (110, 184072262), (121, 167338420), (148, 136810465), (185, 109448372), (220, 92036131), (242, 83669210), (370, 54724186), (407, 49749260), (484, 41834605), (605, 33467684), (740, 27362093), (814, 24874630), (1210, 16733842), (1628, 12437315), (2035, 9949852), (2420, 8366921), (4070, 4974926), (4477, 4522660), (8140, 2487463), (8954, 2261330), (17908, 1130665), (22385, 904532), (44770, 452266), (89540, 226133)]