20048260

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{16433}}^1$

素因数の和:16503

約数の個数: 24

約数和(自身を含む): 42794136

約数和(自身を除く): 22745876

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 16433, 32866, 65732, 82165, 164330, 328660, 1002413, 2004826, 4009652, 5012065, 10024130, 20048260]

約数ペア:

[(1, 20048260), (2, 10024130), (4, 5012065), (5, 4009652), (10, 2004826), (20, 1002413), (61, 328660), (122, 164330), (244, 82165), (305, 65732), (610, 32866), (1220, 16433)]