2019941780

素因数分解:

$2^2\times 5^1\times {\mathrm{5113}}^1\times {\mathrm{19753}}^1$

素因数の和:24875

約数の個数: 24

約数和(自身を含む): 4242922152

約数和(自身を除く): 2222980372

約数列:

[1, 2, 4, 5, 10, 20, 5113, 10226, 19753, 20452, 25565, 39506, 51130, 79012, 98765, 102260, 197530, 395060, 100997089, 201994178, 403988356, 504985445, 1009970890, 2019941780]

約数ペア:

[(1, 2019941780), (2, 1009970890), (4, 504985445), (5, 403988356), (10, 201994178), (20, 100997089), (5113, 395060), (10226, 197530), (19753, 102260), (20452, 98765), (25565, 79012), (39506, 51130)]