20644590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{8291}}^1$

素因数の和:8384

約数の個数: 32

約数和(自身を含む): 50150016

約数和(自身を除く): 29505426

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 83, 166, 249, 415, 498, 830, 1245, 2490, 8291, 16582, 24873, 41455, 49746, 82910, 124365, 248730, 688153, 1376306, 2064459, 3440765, 4128918, 6881530, 10322295, 20644590]

約数ペア:

[(1, 20644590), (2, 10322295), (3, 6881530), (5, 4128918), (6, 3440765), (10, 2064459), (15, 1376306), (30, 688153), (83, 248730), (166, 124365), (249, 82910), (415, 49746), (498, 41455), (830, 24873), (1245, 16582), (2490, 8291)]