20565715365

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{487}}^1\times {\mathrm{1951}}^1$

素因数の和:2499

約数の個数: 96

約数和(自身を含む): 39528093696

約数和(自身を除く): 18962378331

約数列:

[1, 3, 5, 9, 13, 15, 37, 39, 45, 65, 111, 117, 185, 195, 333, 481, 487, 555, 585, 1443, 1461, 1665, 1951, 2405, 2435, 4329, 4383, 5853, 6331, 7215, 7305, 9755, 17559, 18019, 18993, 21645, 21915, 25363, 29265, 31655, 54057, 56979, 72187, 76089, 87795, 90095, 94965, 126815, 162171, 216561, 228267, 234247, 270285, 284895, 360935, 380445, 649683, 702741, 810855, 938431, 950137, 1082805, 1141335, 1171235, 2108223, 2815293, 2850411, 3248415, 3513705, 4692155, 4750685, 8445879, 8551233, 10541115, 12351781, 14076465, 14252055, 35155069, 37055343, 42229395, 42756165, 61758905, 105465207, 111166029, 175775345, 185276715, 316395621, 457015897, 527326035, 555830145, 1371047691, 1581978105, 2285079485, 4113143073, 6855238455, 20565715365]

約数ペア:

[(1, 20565715365), (3, 6855238455), (5, 4113143073), (9, 2285079485), (13, 1581978105), (15, 1371047691), (37, 555830145), (39, 527326035), (45, 457015897), (65, 316395621), (111, 185276715), (117, 175775345), (185, 111166029), (195, 105465207), (333, 61758905), (481, 42756165), (487, 42229395), (555, 37055343), (585, 35155069), (1443, 14252055), (1461, 14076465), (1665, 12351781), (1951, 10541115), (2405, 8551233), (2435, 8445879), (4329, 4750685), (4383, 4692155), (5853, 3513705), (6331, 3248415), (7215, 2850411), (7305, 2815293), (9755, 2108223), (17559, 1171235), (18019, 1141335), (18993, 1082805), (21645, 950137), (21915, 938431), (25363, 810855), (29265, 702741), (31655, 649683), (54057, 380445), (56979, 360935), (72187, 284895), (76089, 270285), (87795, 234247), (90095, 228267), (94965, 216561), (126815, 162171)]