20131369

素因数分解:

${\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{337}}^1$

素因数の和:456

約数の個数: 16

約数和(自身を含む): 21805056

約数和(自身を除く): 1673687

約数列:

[1, 31, 41, 47, 337, 1271, 1457, 1927, 10447, 13817, 15839, 59737, 428327, 491009, 649399, 20131369]

約数ペア:

[(1, 20131369), (31, 649399), (41, 491009), (47, 428327), (337, 59737), (1271, 15839), (1457, 13817), (1927, 10447)]