20194955872

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6935081}}^1$

素因数の和:6935111

約数の個数: 48

約数和(自身を含む): 48933938592

約数和(自身を除く): 28738982720

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 6935081, 13870162, 27740324, 48545567, 55480648, 90156053, 97091134, 110961296, 180312106, 194182268, 221922592, 360624212, 388364536, 631092371, 721248424, 776729072, 1262184742, 1442496848, 1553458144, 2524369484, 2884993696, 5048738968, 10097477936, 20194955872]

約数ペア:

[(1, 20194955872), (2, 10097477936), (4, 5048738968), (7, 2884993696), (8, 2524369484), (13, 1553458144), (14, 1442496848), (16, 1262184742), (26, 776729072), (28, 721248424), (32, 631092371), (52, 388364536), (56, 360624212), (91, 221922592), (104, 194182268), (112, 180312106), (182, 110961296), (208, 97091134), (224, 90156053), (364, 55480648), (416, 48545567), (728, 27740324), (1456, 13870162), (2912, 6935081)]