20149480680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23987477}}^1$

素因数の和:23987498

約数の個数: 64

約数和(自身を含む): 69083936640

約数和(自身を除く): 48934455960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 23987477, 47974954, 71962431, 95949908, 119937385, 143924862, 167912339, 191899816, 239874770, 287849724, 335824678, 359812155, 479749540, 503737017, 575699448, 671649356, 719624310, 839561695, 959499080, 1007474034, 1343298712, 1439248620, 1679123390, 2014948068, 2518685085, 2878497240, 3358246780, 4029896136, 5037370170, 6716493560, 10074740340, 20149480680]

約数ペア:

[(1, 20149480680), (2, 10074740340), (3, 6716493560), (4, 5037370170), (5, 4029896136), (6, 3358246780), (7, 2878497240), (8, 2518685085), (10, 2014948068), (12, 1679123390), (14, 1439248620), (15, 1343298712), (20, 1007474034), (21, 959499080), (24, 839561695), (28, 719624310), (30, 671649356), (35, 575699448), (40, 503737017), (42, 479749540), (56, 359812155), (60, 335824678), (70, 287849724), (84, 239874770), (105, 191899816), (120, 167912339), (140, 143924862), (168, 119937385), (210, 95949908), (280, 71962431), (420, 47974954), (840, 23987477)]