20164979240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1601}}^1\times {\mathrm{44983}}^1$

素因数の和:46602

約数の個数: 64

約数和(自身を含む): 51886344960

約数和(自身を除く): 31721365720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1601, 3202, 6404, 8005, 11207, 12808, 16010, 22414, 32020, 44828, 44983, 56035, 64040, 89656, 89966, 112070, 179932, 224140, 224915, 314881, 359864, 448280, 449830, 629762, 899660, 1259524, 1574405, 1799320, 2519048, 3148810, 6297620, 12595240, 72017783, 144035566, 288071132, 360088915, 504124481, 576142264, 720177830, 1008248962, 1440355660, 2016497924, 2520622405, 2880711320, 4032995848, 5041244810, 10082489620, 20164979240]

約数ペア:

[(1, 20164979240), (2, 10082489620), (4, 5041244810), (5, 4032995848), (7, 2880711320), (8, 2520622405), (10, 2016497924), (14, 1440355660), (20, 1008248962), (28, 720177830), (35, 576142264), (40, 504124481), (56, 360088915), (70, 288071132), (140, 144035566), (280, 72017783), (1601, 12595240), (3202, 6297620), (6404, 3148810), (8005, 2519048), (11207, 1799320), (12808, 1574405), (16010, 1259524), (22414, 899660), (32020, 629762), (44828, 449830), (44983, 448280), (56035, 359864), (64040, 314881), (89656, 224915), (89966, 224140), (112070, 179932)]