20149932465

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{12743}}^1$

素因数の和:12840

約数の個数: 128

約数和(自身を含む): 41620884480

約数和(自身を除く): 21470952015

約数列:

[1, 3, 5, 9, 13, 15, 17, 27, 39, 45, 51, 53, 65, 85, 117, 135, 153, 159, 195, 221, 255, 265, 351, 459, 477, 585, 663, 689, 765, 795, 901, 1105, 1431, 1755, 1989, 2067, 2295, 2385, 2703, 3315, 3445, 4505, 5967, 6201, 7155, 8109, 9945, 10335, 11713, 12743, 13515, 18603, 24327, 29835, 31005, 35139, 38229, 40545, 58565, 63715, 93015, 105417, 114687, 121635, 165659, 175695, 191145, 216631, 316251, 344061, 496977, 527085, 573435, 649893, 675379, 828295, 1083155, 1490931, 1581255, 1720305, 1949679, 2026137, 2484885, 2816203, 3249465, 3376895, 4472793, 5849037, 6078411, 7454655, 8448609, 8779927, 9748395, 10130685, 11481443, 14081015, 18235233, 22363965, 25345827, 26339781, 29245185, 30392055, 34444329, 42243045, 43899635, 57407215, 76037481, 79019343, 91176165, 103332987, 126729135, 131698905, 149258759, 172221645, 237058029, 309998961, 380187405, 395096715, 447776277, 516664935, 746293795, 1185290145, 1343328831, 1549994805, 2238881385, 4029986493, 6716644155, 20149932465]

約数ペア:

[(1, 20149932465), (3, 6716644155), (5, 4029986493), (9, 2238881385), (13, 1549994805), (15, 1343328831), (17, 1185290145), (27, 746293795), (39, 516664935), (45, 447776277), (51, 395096715), (53, 380187405), (65, 309998961), (85, 237058029), (117, 172221645), (135, 149258759), (153, 131698905), (159, 126729135), (195, 103332987), (221, 91176165), (255, 79019343), (265, 76037481), (351, 57407215), (459, 43899635), (477, 42243045), (585, 34444329), (663, 30392055), (689, 29245185), (765, 26339781), (795, 25345827), (901, 22363965), (1105, 18235233), (1431, 14081015), (1755, 11481443), (1989, 10130685), (2067, 9748395), (2295, 8779927), (2385, 8448609), (2703, 7454655), (3315, 6078411), (3445, 5849037), (4505, 4472793), (5967, 3376895), (6201, 3249465), (7155, 2816203), (8109, 2484885), (9945, 2026137), (10335, 1949679), (11713, 1720305), (12743, 1581255), (13515, 1490931), (18603, 1083155), (24327, 828295), (29835, 675379), (31005, 649893), (35139, 573435), (38229, 527085), (40545, 496977), (58565, 344061), (63715, 316251), (93015, 216631), (105417, 191145), (114687, 175695), (121635, 165659)]