20054880452390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{155452139}}^1$

素因数の和:155452269

約数の個数: 64

約数和(自身を含む): 43874811993600

約数和(自身を除く): 23819931541210

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 97, 133, 190, 194, 266, 485, 665, 679, 970, 1330, 1358, 1843, 3395, 3686, 6790, 9215, 12901, 18430, 25802, 64505, 129010, 155452139, 310904278, 777260695, 1088164973, 1554521390, 2176329946, 2953590641, 5440824865, 5907181282, 10881649730, 14767953205, 15078857483, 20675134487, 29535906410, 30157714966, 41350268974, 75394287415, 103375672435, 105552002381, 150788574830, 206751344870, 211104004762, 286498292177, 527760011905, 572996584354, 1055520023810, 1432491460885, 2005488045239, 2864982921770, 4010976090478, 10027440226195, 20054880452390]

約数ペア:

[(1, 20054880452390), (2, 10027440226195), (5, 4010976090478), (7, 2864982921770), (10, 2005488045239), (14, 1432491460885), (19, 1055520023810), (35, 572996584354), (38, 527760011905), (70, 286498292177), (95, 211104004762), (97, 206751344870), (133, 150788574830), (190, 105552002381), (194, 103375672435), (266, 75394287415), (485, 41350268974), (665, 30157714966), (679, 29535906410), (970, 20675134487), (1330, 15078857483), (1358, 14767953205), (1843, 10881649730), (3395, 5907181282), (3686, 5440824865), (6790, 2953590641), (9215, 2176329946), (12901, 1554521390), (18430, 1088164973), (25802, 777260695), (64505, 310904278), (129010, 155452139)]