20123258276

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{397}}^1\times {\mathrm{6659}}^1$

素因数の和:7244

約数の個数: 48

約数和(自身を含む): 38742338880

約数和(自身を除く): 18619080604

約数列:

[1, 2, 4, 11, 22, 44, 173, 346, 397, 692, 794, 1588, 1903, 3806, 4367, 6659, 7612, 8734, 13318, 17468, 26636, 68681, 73249, 137362, 146498, 274724, 292996, 755491, 1152007, 1510982, 2304014, 2643623, 3021964, 4608028, 5287246, 10574492, 12672077, 25344154, 29079853, 50688308, 58159706, 116319412, 457346779, 914693558, 1829387116, 5030814569, 10061629138, 20123258276]

約数ペア:

[(1, 20123258276), (2, 10061629138), (4, 5030814569), (11, 1829387116), (22, 914693558), (44, 457346779), (173, 116319412), (346, 58159706), (397, 50688308), (692, 29079853), (794, 25344154), (1588, 12672077), (1903, 10574492), (3806, 5287246), (4367, 4608028), (6659, 3021964), (7612, 2643623), (8734, 2304014), (13318, 1510982), (17468, 1152007), (26636, 755491), (68681, 292996), (73249, 274724), (137362, 146498)]