20172008493

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{467}}^1\times {\mathrm{4057}}^1$

素因数の和:4563

約数の個数: 72

約数和(自身を含む): 36144508608

約数和(自身を除く): 15972500115

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 169, 273, 467, 507, 819, 1183, 1401, 1521, 3269, 3549, 4057, 4203, 6071, 9807, 10647, 12171, 18213, 28399, 29421, 36513, 42497, 52741, 54639, 78923, 85197, 127491, 158223, 236769, 255591, 369187, 382473, 474669, 552461, 685633, 710307, 1107561, 1657383, 1894619, 2056899, 3322683, 4799431, 4972149, 5683857, 6170697, 13262333, 14398293, 17051571, 24630047, 39786999, 43194879, 73890141, 119360997, 172410329, 221670423, 320190611, 517230987, 960571833, 1551692961, 2241334277, 2881715499, 6724002831, 20172008493]

約数ペア:

[(1, 20172008493), (3, 6724002831), (7, 2881715499), (9, 2241334277), (13, 1551692961), (21, 960571833), (39, 517230987), (63, 320190611), (91, 221670423), (117, 172410329), (169, 119360997), (273, 73890141), (467, 43194879), (507, 39786999), (819, 24630047), (1183, 17051571), (1401, 14398293), (1521, 13262333), (3269, 6170697), (3549, 5683857), (4057, 4972149), (4203, 4799431), (6071, 3322683), (9807, 2056899), (10647, 1894619), (12171, 1657383), (18213, 1107561), (28399, 710307), (29421, 685633), (36513, 552461), (42497, 474669), (52741, 382473), (54639, 369187), (78923, 255591), (85197, 236769), (127491, 158223)]