20429032

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{5309}}^1$

素因数の和:5365

約数の個数: 32

約数和(自身を含む): 42373800

約数和(自身を除く): 21944768

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 296, 481, 962, 1924, 3848, 5309, 10618, 21236, 42472, 69017, 138034, 196433, 276068, 392866, 552136, 785732, 1571464, 2553629, 5107258, 10214516, 20429032]

約数ペア:

[(1, 20429032), (2, 10214516), (4, 5107258), (8, 2553629), (13, 1571464), (26, 785732), (37, 552136), (52, 392866), (74, 276068), (104, 196433), (148, 138034), (296, 69017), (481, 42472), (962, 21236), (1924, 10618), (3848, 5309)]