20497740144

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1967909}}^1$

素因数の和:1967958

約数の個数: 80

約数和(自身を含む): 62469335040

約数和(自身を除く): 41971594896

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 42, 48, 56, 62, 84, 93, 112, 124, 168, 186, 217, 248, 336, 372, 434, 496, 651, 744, 868, 1302, 1488, 1736, 2604, 3472, 5208, 10416, 1967909, 3935818, 5903727, 7871636, 11807454, 13775363, 15743272, 23614908, 27550726, 31486544, 41326089, 47229816, 55101452, 61005179, 82652178, 94459632, 110202904, 122010358, 165304356, 183015537, 220405808, 244020716, 330608712, 366031074, 427036253, 488041432, 661217424, 732062148, 854072506, 976082864, 1281108759, 1464124296, 1708145012, 2562217518, 2928248592, 3416290024, 5124435036, 6832580048, 10248870072, 20497740144]

約数ペア:

[(1, 20497740144), (2, 10248870072), (3, 6832580048), (4, 5124435036), (6, 3416290024), (7, 2928248592), (8, 2562217518), (12, 1708145012), (14, 1464124296), (16, 1281108759), (21, 976082864), (24, 854072506), (28, 732062148), (31, 661217424), (42, 488041432), (48, 427036253), (56, 366031074), (62, 330608712), (84, 244020716), (93, 220405808), (112, 183015537), (124, 165304356), (168, 122010358), (186, 110202904), (217, 94459632), (248, 82652178), (336, 61005179), (372, 55101452), (434, 47229816), (496, 41326089), (651, 31486544), (744, 27550726), (868, 23614908), (1302, 15743272), (1488, 13775363), (1736, 11807454), (2604, 7871636), (3472, 5903727), (5208, 3935818), (10416, 1967909)]