20175098853

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1721}}^1\times {\mathrm{1867}}^1$

素因数の和:3634

約数の個数: 64

約数和(自身を含む): 34585915392

約数和(自身を除く): 14410816539

約数列:

[1, 3, 7, 13, 21, 23, 39, 69, 91, 161, 273, 299, 483, 897, 1721, 1867, 2093, 5163, 5601, 6279, 12047, 13069, 22373, 24271, 36141, 39207, 39583, 42941, 67119, 72813, 118749, 128823, 156611, 169897, 277081, 300587, 469833, 509691, 514579, 558233, 831243, 901761, 1543737, 1674699, 3213107, 3602053, 3907631, 9639321, 10806159, 11722893, 22491749, 41770391, 67475247, 73901461, 125311173, 221704383, 292392737, 517310227, 877178211, 960718993, 1551930681, 2882156979, 6725032951, 20175098853]

約数ペア:

[(1, 20175098853), (3, 6725032951), (7, 2882156979), (13, 1551930681), (21, 960718993), (23, 877178211), (39, 517310227), (69, 292392737), (91, 221704383), (161, 125311173), (273, 73901461), (299, 67475247), (483, 41770391), (897, 22491749), (1721, 11722893), (1867, 10806159), (2093, 9639321), (5163, 3907631), (5601, 3602053), (6279, 3213107), (12047, 1674699), (13069, 1543737), (22373, 901761), (24271, 831243), (36141, 558233), (39207, 514579), (39583, 509691), (42941, 469833), (67119, 300587), (72813, 277081), (118749, 169897), (128823, 156611)]