19952520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23753}}^1$

素因数の和:23774

約数の個数: 64

約数和(自身を含む): 68411520

約数和(自身を除く): 48459000

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, 23753, 47506, 71259, 95012, 118765, 142518, 166271, 190024, 237530, 285036, 332542, 356295, 475060, 498813, 570072, 665084, 712590, 831355, 950120, 997626, 1330168, 1425180, 1662710, 1995252, 2494065, 2850360, 3325420, 3990504, 4988130, 6650840, 9976260, 19952520]

約数ペア:

[(1, 19952520), (2, 9976260), (3, 6650840), (4, 4988130), (5, 3990504), (6, 3325420), (7, 2850360), (8, 2494065), (10, 1995252), (12, 1662710), (14, 1425180), (15, 1330168), (20, 997626), (21, 950120), (24, 831355), (28, 712590), (30, 665084), (35, 570072), (40, 498813), (42, 475060), (56, 356295), (60, 332542), (70, 285036), (84, 237530), (105, 190024), (120, 166271), (140, 142518), (168, 118765), (210, 95012), (280, 71259), (420, 47506), (840, 23753)]