20147352890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{449}}^1\times {\mathrm{4679}}^1$

素因数の和:5279

約数の個数: 64

約数和(自身を含む): 41850432000

約数和(自身を除く): 21703079110

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 137, 274, 449, 685, 898, 959, 1370, 1918, 2245, 3143, 4490, 4679, 4795, 6286, 9358, 9590, 15715, 23395, 31430, 32753, 46790, 61513, 65506, 123026, 163765, 307565, 327530, 430591, 615130, 641023, 861182, 1282046, 2100871, 2152955, 3205115, 4201742, 4305910, 4487161, 6410230, 8974322, 10504355, 14706097, 21008710, 22435805, 29412194, 44871610, 73530485, 147060970, 287819327, 575638654, 1439096635, 2014735289, 2878193270, 4029470578, 10073676445, 20147352890]

約数ペア:

[(1, 20147352890), (2, 10073676445), (5, 4029470578), (7, 2878193270), (10, 2014735289), (14, 1439096635), (35, 575638654), (70, 287819327), (137, 147060970), (274, 73530485), (449, 44871610), (685, 29412194), (898, 22435805), (959, 21008710), (1370, 14706097), (1918, 10504355), (2245, 8974322), (3143, 6410230), (4490, 4487161), (4679, 4305910), (4795, 4201742), (6286, 3205115), (9358, 2152955), (9590, 2100871), (15715, 1282046), (23395, 861182), (31430, 641023), (32753, 615130), (46790, 430591), (61513, 327530), (65506, 307565), (123026, 163765)]