20153756

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{881}}^1$

素因数の和:954

約数の個数: 48

約数和(自身を含む): 43464960

約数和(自身を除く): 23311204

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 43, 76, 86, 133, 172, 266, 301, 532, 602, 817, 881, 1204, 1634, 1762, 3268, 3524, 5719, 6167, 11438, 12334, 16739, 22876, 24668, 33478, 37883, 66956, 75766, 117173, 151532, 234346, 265181, 468692, 530362, 719777, 1060724, 1439554, 2879108, 5038439, 10076878, 20153756]

約数ペア:

[(1, 20153756), (2, 10076878), (4, 5038439), (7, 2879108), (14, 1439554), (19, 1060724), (28, 719777), (38, 530362), (43, 468692), (76, 265181), (86, 234346), (133, 151532), (172, 117173), (266, 75766), (301, 66956), (532, 37883), (602, 33478), (817, 24668), (881, 22876), (1204, 16739), (1634, 12334), (1762, 11438), (3268, 6167), (3524, 5719)]