20199451736

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{15061}}^1$

素因数の和:15324

約数の個数: 64

約数和(自身を含む): 40797535680

約数和(自身を除く): 20598083944

約数列:

[1, 2, 4, 8, 23, 37, 46, 74, 92, 148, 184, 197, 296, 394, 788, 851, 1576, 1702, 3404, 4531, 6808, 7289, 9062, 14578, 15061, 18124, 29156, 30122, 36248, 58312, 60244, 120488, 167647, 335294, 346403, 557257, 670588, 692806, 1114514, 1341176, 1385612, 2229028, 2771224, 2967017, 4458056, 5934034, 11868068, 12816911, 23736136, 25633822, 51267644, 68241391, 102535288, 109779629, 136482782, 219559258, 272965564, 439118516, 545931128, 878237032, 2524931467, 5049862934, 10099725868, 20199451736]

約数ペア:

[(1, 20199451736), (2, 10099725868), (4, 5049862934), (8, 2524931467), (23, 878237032), (37, 545931128), (46, 439118516), (74, 272965564), (92, 219559258), (148, 136482782), (184, 109779629), (197, 102535288), (296, 68241391), (394, 51267644), (788, 25633822), (851, 23736136), (1576, 12816911), (1702, 11868068), (3404, 5934034), (4531, 4458056), (6808, 2967017), (7289, 2771224), (9062, 2229028), (14578, 1385612), (15061, 1341176), (18124, 1114514), (29156, 692806), (30122, 670588), (36248, 557257), (58312, 346403), (60244, 335294), (120488, 167647)]