20854047803485

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{449}}^1\times {\mathrm{27197}}^1$

素因数の和:27767

約数の個数: 96

約数和(自身を含む): 28382179161600

約数和(自身を除く): 7528131358115

約数列:

[1, 5, 13, 43, 47, 65, 169, 215, 235, 449, 559, 611, 845, 2021, 2245, 2795, 3055, 5837, 7267, 7943, 10105, 19307, 21103, 26273, 27197, 29185, 36335, 39715, 75881, 96535, 105515, 131365, 135985, 250991, 274339, 341549, 353561, 379405, 907429, 1169471, 1254955, 1278259, 1371695, 1707745, 1767805, 3262883, 3566407, 4537145, 4596293, 5847355, 6391295, 11796577, 12211453, 15203123, 16314415, 16617367, 17832035, 22981465, 54965137, 58982885, 61057265, 76015615, 83086835, 153355501, 158748889, 197640599, 216025771, 274825685, 525092479, 573938291, 714546781, 766777505, 793744445, 988202995, 1080128855, 2063735557, 2625462395, 2869691455, 3572733905, 6826202227, 7461197783, 9289108153, 10318677785, 24679346513, 34131011135, 37305988915, 46445540765, 88740628951, 96995571179, 123396732565, 320831504669, 443703144755, 484977855895, 1604157523345, 4170809560697, 20854047803485]

約数ペア:

[(1, 20854047803485), (5, 4170809560697), (13, 1604157523345), (43, 484977855895), (47, 443703144755), (65, 320831504669), (169, 123396732565), (215, 96995571179), (235, 88740628951), (449, 46445540765), (559, 37305988915), (611, 34131011135), (845, 24679346513), (2021, 10318677785), (2245, 9289108153), (2795, 7461197783), (3055, 6826202227), (5837, 3572733905), (7267, 2869691455), (7943, 2625462395), (10105, 2063735557), (19307, 1080128855), (21103, 988202995), (26273, 793744445), (27197, 766777505), (29185, 714546781), (36335, 573938291), (39715, 525092479), (75881, 274825685), (96535, 216025771), (105515, 197640599), (131365, 158748889), (135985, 153355501), (250991, 83086835), (274339, 76015615), (341549, 61057265), (353561, 58982885), (379405, 54965137), (907429, 22981465), (1169471, 17832035), (1254955, 16617367), (1278259, 16314415), (1371695, 15203123), (1707745, 12211453), (1767805, 11796577), (3262883, 6391295), (3566407, 5847355), (4537145, 4596293)]