20409720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{170081}}^1$

素因数の和:170095

約数の個数: 32

約数和(自身を含む): 61229520

約数和(自身を除く): 40819800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 170081, 340162, 510243, 680324, 850405, 1020486, 1360648, 1700810, 2040972, 2551215, 3401620, 4081944, 5102430, 6803240, 10204860, 20409720]

約数ペア:

[(1, 20409720), (2, 10204860), (3, 6803240), (4, 5102430), (5, 4081944), (6, 3401620), (8, 2551215), (10, 2040972), (12, 1700810), (15, 1360648), (20, 1020486), (24, 850405), (30, 680324), (40, 510243), (60, 340162), (120, 170081)]