20245888216

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{19889}}^1$

素因数の和:20132

約数の個数: 64

約数和(自身を含む): 41267772000

約数和(自身を除く): 21021883784

約数列:

[1, 2, 4, 8, 19, 37, 38, 74, 76, 148, 152, 181, 296, 362, 703, 724, 1406, 1448, 2812, 3439, 5624, 6697, 6878, 13394, 13756, 19889, 26788, 27512, 39778, 53576, 79556, 127243, 159112, 254486, 377891, 508972, 735893, 755782, 1017944, 1471786, 1511564, 2943572, 3023128, 3599909, 5887144, 7199818, 13981967, 14399636, 27963934, 28799272, 55927868, 68398271, 111855736, 133196633, 136796542, 266393266, 273593084, 532786532, 547186168, 1065573064, 2530736027, 5061472054, 10122944108, 20245888216]

約数ペア:

[(1, 20245888216), (2, 10122944108), (4, 5061472054), (8, 2530736027), (19, 1065573064), (37, 547186168), (38, 532786532), (74, 273593084), (76, 266393266), (148, 136796542), (152, 133196633), (181, 111855736), (296, 68398271), (362, 55927868), (703, 28799272), (724, 27963934), (1406, 14399636), (1448, 13981967), (2812, 7199818), (3439, 5887144), (5624, 3599909), (6697, 3023128), (6878, 2943572), (13394, 1511564), (13756, 1471786), (19889, 1017944), (26788, 755782), (27512, 735893), (39778, 508972), (53576, 377891), (79556, 254486), (127243, 159112)]