20194443080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{661679}}^1$

素因数の和:661806

約数の個数: 64

約数和(自身を含む): 52405056000

約数和(自身を除く): 32210612920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 140, 218, 280, 436, 545, 763, 872, 1090, 1526, 2180, 3052, 3815, 4360, 6104, 7630, 15260, 30520, 661679, 1323358, 2646716, 3308395, 4631753, 5293432, 6616790, 9263506, 13233580, 18527012, 23158765, 26467160, 37054024, 46317530, 72123011, 92635060, 144246022, 185270120, 288492044, 360615055, 504861077, 576984088, 721230110, 1009722154, 1442460220, 2019444308, 2524305385, 2884920440, 4038888616, 5048610770, 10097221540, 20194443080]

約数ペア:

[(1, 20194443080), (2, 10097221540), (4, 5048610770), (5, 4038888616), (7, 2884920440), (8, 2524305385), (10, 2019444308), (14, 1442460220), (20, 1009722154), (28, 721230110), (35, 576984088), (40, 504861077), (56, 360615055), (70, 288492044), (109, 185270120), (140, 144246022), (218, 92635060), (280, 72123011), (436, 46317530), (545, 37054024), (763, 26467160), (872, 23158765), (1090, 18527012), (1526, 13233580), (2180, 9263506), (3052, 6616790), (3815, 5293432), (4360, 4631753), (6104, 3308395), (7630, 2646716), (15260, 1323358), (30520, 661679)]