20469726

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:382

約数の個数: 64

約数和(自身を含む): 48729600

約数和(自身を除く): 28259874

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 71, 114, 142, 171, 213, 281, 342, 426, 513, 562, 639, 843, 1026, 1278, 1349, 1686, 1917, 2529, 2698, 3834, 4047, 5058, 5339, 7587, 8094, 10678, 12141, 15174, 16017, 19951, 24282, 32034, 36423, 39902, 48051, 59853, 72846, 96102, 119706, 144153, 179559, 288306, 359118, 379069, 538677, 758138, 1077354, 1137207, 2274414, 3411621, 6823242, 10234863, 20469726]

約数ペア:

[(1, 20469726), (2, 10234863), (3, 6823242), (6, 3411621), (9, 2274414), (18, 1137207), (19, 1077354), (27, 758138), (38, 538677), (54, 379069), (57, 359118), (71, 288306), (114, 179559), (142, 144153), (171, 119706), (213, 96102), (281, 72846), (342, 59853), (426, 48051), (513, 39902), (562, 36423), (639, 32034), (843, 24282), (1026, 19951), (1278, 16017), (1349, 15174), (1686, 12141), (1917, 10678), (2529, 8094), (2698, 7587), (3834, 5339), (4047, 5058)]