20638498

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{353}}^1$

素因数の和:450

約数の個数: 32

約数和(自身を含む): 34255872

約数和(自身を除く): 13617374

約数列:

[1, 2, 23, 31, 41, 46, 62, 82, 353, 706, 713, 943, 1271, 1426, 1886, 2542, 8119, 10943, 14473, 16238, 21886, 28946, 29233, 58466, 251689, 332879, 448663, 503378, 665758, 897326, 10319249, 20638498]

約数ペア:

[(1, 20638498), (2, 10319249), (23, 897326), (31, 665758), (41, 503378), (46, 448663), (62, 332879), (82, 251689), (353, 58466), (706, 29233), (713, 28946), (943, 21886), (1271, 16238), (1426, 14473), (1886, 10943), (2542, 8119)]