20163993165

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{18787}}^1$

素因数の和:18899

約数の個数: 96

約数和(自身を含む): 39250987776

約数和(自身を除く): 19086994611

約数列:

[1, 3, 5, 9, 15, 17, 23, 45, 51, 61, 69, 85, 115, 153, 183, 207, 255, 305, 345, 391, 549, 765, 915, 1035, 1037, 1173, 1403, 1955, 2745, 3111, 3519, 4209, 5185, 5865, 7015, 9333, 12627, 15555, 17595, 18787, 21045, 23851, 46665, 56361, 63135, 71553, 93935, 119255, 169083, 214659, 281805, 319379, 357765, 432101, 845415, 958137, 1073295, 1146007, 1296303, 1596895, 2160505, 2874411, 3438021, 3888909, 4790685, 5730035, 6481515, 7345717, 10314063, 14372055, 17190105, 19444545, 19482119, 22037151, 26358161, 36728585, 51570315, 58446357, 66111453, 79074483, 97410595, 110185755, 131790805, 175339071, 237223449, 292231785, 330557265, 395372415, 448088737, 876695355, 1186117245, 1344266211, 2240443685, 4032798633, 6721331055, 20163993165]

約数ペア:

[(1, 20163993165), (3, 6721331055), (5, 4032798633), (9, 2240443685), (15, 1344266211), (17, 1186117245), (23, 876695355), (45, 448088737), (51, 395372415), (61, 330557265), (69, 292231785), (85, 237223449), (115, 175339071), (153, 131790805), (183, 110185755), (207, 97410595), (255, 79074483), (305, 66111453), (345, 58446357), (391, 51570315), (549, 36728585), (765, 26358161), (915, 22037151), (1035, 19482119), (1037, 19444545), (1173, 17190105), (1403, 14372055), (1955, 10314063), (2745, 7345717), (3111, 6481515), (3519, 5730035), (4209, 4790685), (5185, 3888909), (5865, 3438021), (7015, 2874411), (9333, 2160505), (12627, 1596895), (15555, 1296303), (17595, 1146007), (18787, 1073295), (21045, 958137), (23851, 845415), (46665, 432101), (56361, 357765), (63135, 319379), (71553, 281805), (93935, 214659), (119255, 169083)]