20001180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19609}}^1$

素因数の和:19638

約数の個数: 48

約数和(自身を含む): 59300640

約数和(自身を除く): 39299460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 19609, 39218, 58827, 78436, 98045, 117654, 196090, 235308, 294135, 333353, 392180, 588270, 666706, 1000059, 1176540, 1333412, 1666765, 2000118, 3333530, 4000236, 5000295, 6667060, 10000590, 20001180]

約数ペア:

[(1, 20001180), (2, 10000590), (3, 6667060), (4, 5000295), (5, 4000236), (6, 3333530), (10, 2000118), (12, 1666765), (15, 1333412), (17, 1176540), (20, 1000059), (30, 666706), (34, 588270), (51, 392180), (60, 333353), (68, 294135), (85, 235308), (102, 196090), (170, 117654), (204, 98045), (255, 78436), (340, 58827), (510, 39218), (1020, 19609)]